Bubbling Under

This page lists Tentative Sites that have shown some official activity that may indicate that they are working towards a Nomination. Included are sites that have in the past 8 years had one or more of the following interactions with the WHC or the UNESCO World Heritage Centre:

  • Submitted an Incomplete Dossier
  • Were Referred at a WHC within the last 3 years (after that period it is considered a new nomination)
  • Have taken part in the Upstream Process
  • Have requested a Preliminary Assessment
  • Have asked for funding to prepare a nomination
  • Have been Postponed or Adjourned at a WHC

By Country

Country TWHS Year expected
AfghanistanCity of Herat
AfghanistanBagh-e Babur2027
ArgentinaLa Payunia, Campos Volcánicos Llancanelo y Payún Matrú2028
ArmeniaThe Vishaps and the Cultural Landscape of Tirinkatar
AustraliaMurujuga Cultural Landscape2025
AustraliaParramatta Female Factory2028
AustriaGroßglockner High Alpine Road 2027
BangladeshCultural Landscape of Mahasthan and Karatoya River
BelarusAugustow Canal
BelarusSS. Boris and Gleb (Kalozha) Church in the city of Hrodna
Bosnia HerzegovinaBlagaj
Bosnia HerzegovinaTravertine waterfalls in Martin Brod - Una National Park2027
BotswanaGcwihaba Caves
BrazilBrazilian Fortresses Ensemble
BrazilOswaldo Cruz Foundation
BrazilChapada do Araripe
Cabo VerdeCamp de concentration de Tarrafal2028
CambodiaFormer M-13 prison/ Tuol Sleng Genocide Museum / Choeung Ek2025
CameroonPaysage culturel du Lac Tchad (Cameroon)
CameroonBimbia et ses sites associés
CameroonLe paysage culturel de Diy Gid Biy des Monts Mandara 2025
CanadaWanuskewin2028
ChadParc national de Zakouma
ChadPaysage culturel du Lac Tchad (Chad)
ChinaArchaeological Sites of the Ancient Shu State2028
ColombiaThe architectural legacy of Rogelio Salmona
ComorosSultanats Historiques des Comores2026
Cook IslandsMaungaroa Cultural Landscape2027
Côte d'IvoireParc national des Iles Ehotilé2027
CubaReef System in the Cuban Caribbean2027
CyprusChurch of Panagia Aggeloktisti
DenmarkSeaweed Houses and Sea-salt Huts
DjiboutiLe Parc National de la forêt du Day
Dominican RepublicSitio Arqueológico de la Villa La Isabela
EgyptGebel Qatrani Area, Lake Qaroun
EritreaQoahito Cultural Landscape
EthiopiaDirre Sheik Hussein Religious, Cultural and Historical Site
EthiopiaLake Tana Island Monasteries and its Adjacent Wetland2026
FinlandThe Ringed Seal Archipelagos of Lake Saimaa
FinlandThe Architectural Works of Alvar Aalto2026
FranceLes Plages du Débarquement, Normandie, 19442026
FranceLe Charolais-Brionnais
FranceSaint-Honorat2028
GermanyFrancke Foundation Buildings2028
GreeceThe broader region of Mount Olympus2026
IndiaThe historic ensemble of Orchha2028
IndonesiaTropical Rainforest Heritage of Sumatra – Significant Boundary Modification
IranNasqsh-e Rostam and Naqsh-e Rajab
IranMonastery of St. Amenaprkich
IranAsbads (windmill) of Iran2028
ItalyBenedictine settlements in medieval Italy2027
ItalyVille-fattoria in Chianti Classico2028
JamaicaThe Underwater City of Port Royal2025
JapanAsuka-Fujiwara2026
JapanHikone-Jo (castle)2027
JordanAqaba Marine Reserve2026
KenyaGeometric rock art in Lake Victoria Region (Kenya)
Korea (DPR)Mt. Kumgang2025
Korea (DPR)Historical Relics in Pyongyang2027
LaosHin Nam No 2025
LiberiaGola Rainforest National Park2028
MadagascarEglise catholique d'Ambodifotatra de Sainte Marie
MadagascarLa Haute Ville d’Antananarivo
MadagascarNOSYnakà
MalawiMalawi Slave Routes and Dr. David Livingstone Trail
MalawiLake Chilwa Wetland
MalawiMulanje Mountain Biosphere Reserve2025
MalawiVwaza Marsh Wildlife Reserve
MaliSites historiques et paysages culturels du Manden
MaliLe Fort de Médine
MexicoHuichol Route 2025
Micronesia Yapese Disk Money Regional Sites
MongoliaDesert Landscapes of the Mongolian Great Gobi2027
MozambiqueThe Quirimbas Archipelago
NamibiaBrandberg National Monument
NepalTilaurakot2025
NicaraguaCity of Granada and its natural environment
NigerPaysage culturel du Lac Tchad (Niger)
NigeriaLake Chad Cultural Landscape (Nigeria)
NigeriaAlok Ikom Stone Monoliths2027
OmanBisya & Salut2027
PakistanPort of Banbhore
PalestineHisham's Palace2026
PanamaThe Colonial Transisthmian Route of Panamá (Reformulation)2025
PeruSanta Bárbara mining complex2027
PeruReal Felipe Fortress of Callao
PhilippinesMt. Mantalingahan Protected Landscape
PhilippinesTowns and Landscape of Taal Volcano and its Caldera Lake
PhilippinesWalled City of Manila
PhilippinesMayon Volcano Cultural Landscape2028
PolandGdansk - Town of Memory and Freedom
PolandModernist Centre of Gdynia 2025
Republic of KoreaCapital Fortifications of Hanyang2027
RussiaCentre historique de la ville de Gorokhovets
RussiaThe archeological site of Tanais
RussiaPereslavl-Zalessky
RussiaDivnogorye2027
RussiaBashkir Shikhans2026
RussiaDenisova Сave2028
Saint Vincent and the GrenadinesGrenadines Island Group
Saudi ArabiaThe Ancient Walled Oases of Northern Arabia2028
SenegalLes cases à impluvium du royaume Bandial
SerbiaCultural landscape of Bač
SerbiaSmederevo Fortress
SeychellesMission Ruins of Venn's Town
SingaporeThe Padang Civic Ensemble
SlovakiaThe Memorial of Chatam Sófer
South SudanBoma-Badingilo Migratory Landscape
SpainThe Olive Grove Landscapes of Andalusia
SyriaMaaloula
TajikistanSilk Roads Sites in Tajikistan
TajikistanAncient Khuttal2025
TanzaniaGeometric rock art in Lake Victoria Region (Tanzania)
TogoSites de la métallurgie ancienne du fer de Bassar
TunisiaMédina de Sfax
TurkiyeYesemek Quarry and Sculpture Workshop
TurkiyeThe Historical Port City of Izmir
TurkiyeArchaeological Site of Kültepe-Kanesh
UgandaGeometric rock art in Lake Victoria Region (Uganda)
UgandaBigo bya Mugyenyi
UkraineArchaeological Site 'Stone Tomb'
United Arab EmiratesSharjah: the Gate to Trucial States
United Arab EmiratesWadi Wurayah National Park2026
United KingdomCity of York2028
United States of AmericaCivil Rights Movement Sites2027
United States of AmericaCentral Park2028
UzbekistanSilk Roads Sites in Uzbekistan
UzbekistanAncient Termiz
UzbekistanZomin Mountains2027
Viet NamOc Eo - Ba The2027
Viet NamCon Moong Cave
ZambiaKalambo Falls
ZambiaThe Barotse Cultural Landscape 2027
ZimbabweNaletale Cluster of Dzimbabwes

Per Event

TWHS Country Year of Event Event
Alok Ikom Stone MonolithsNigeria2023Preliminary Assessment
Ancient KhuttalTajikistan2020Incomplete - not examined
Ancient KhuttalTajikistan2021Incomplete - not examined
Ancient KhuttalTajikistan2023Incomplete - not examined
Ancient TermizUzbekistan2026Incomplete - not examined
Aqaba Marine ReserveJordan2024Incomplete - not examined
Archaeological Site 'Stone Tomb'Ukraine2018Upstream Process
Archaeological Site of Kültepe-KaneshTurkiye2024Preliminary Assessment
Archaeological Sites of the Ancient Shu StateChina2024Preliminary Assessment
Asbads (windmill) of IranIran2024Preliminary Assessment
Asuka-FujiwaraJapan2020Upstream Process
Augustow CanalBelarus2019Preparatory Assistance
Bagh-e BaburAfghanistan2024Incomplete - not examined
Bashkir ShikhansRussia2024Postponed
Benedictine settlements in medieval ItalyItaly2023Preliminary Assessment
Bigo bya MugyenyiUganda2024Preliminary Assessment
Bimbia et ses sites associésCameroon2021Preparatory Assistance
Bisya & SalutOman2023Preliminary Assessment
BlagajBosnia Herzegovina2021Preparatory Assistance
Boma-Badingilo Migratory LandscapeSouth Sudan2018Upstream Process
Brandberg National MonumentNamibia2024Preliminary Assessment
Brazilian Fortresses EnsembleBrazil2022Incomplete - not examined
Camp de concentration de TarrafalCabo Verde2024Preliminary Assessment
Capital Fortifications of HanyangRepublic of Korea2023Preliminary Assessment
Central ParkUnited States of America2024Preliminary Assessment
Centre historique de la ville de GorokhovetsRussia2025Incomplete - not examined
Centre historique de la ville de GorokhovetsRussia2021Incomplete - not examined
Chapada do Araripe Brazil2025Upstream Process
Chapada do Araripe Brazil2025Upstream Process
Church of Panagia AggeloktistiCyprus2024Preliminary Assessment
City of Granada and its natural environmentNicaragua2023Preliminary Assessment
City of HeratAfghanistan2021Preparatory Assistance
City of YorkUnited Kingdom2024Preliminary Assessment
Civil Rights Movement SitesUnited States of America2019Upstream Process
Con Moong CaveViet Nam2022Upstream Process
Con Moong CaveViet Nam2024Upstream Process
Cultural landscape of BačSerbia2023Incomplete - not examined
Cultural Landscape of Mahasthan and Karatoya RiverBangladesh2018Incomplete - not examined
Denisova СaveRussia2024Preliminary Assessment
Desert Landscapes of the Mongolian Great GobiMongolia2026Postponed
Dirre Sheik Hussein Religious, Cultural and Historical SiteEthiopia2020Incomplete - not examined
DivnogoryeRussia2023Preliminary Assessment
Eglise catholique d'Ambodifotatra de Sainte Marie Madagascar2020Upstream Process
Eglise catholique d'Ambodifotatra de Sainte Marie Madagascar2023Preparatory Assistance
Former M-13 prison/ Tuol Sleng Genocide Museum / Choeung EkCambodia2023Preparatory Assistance
Francke Foundation BuildingsGermany2024Preliminary Assessment
Gcwihaba CavesBotswana2024Preliminary Assessment
Gdansk - Town of Memory and FreedomPoland2020Incomplete - not examined
Gdansk - Town of Memory and FreedomPoland2021Adjourned
Gebel Qatrani Area, Lake QarounEgypt2019Incomplete - not examined
Geometric rock art in Lake Victoria Region (Kenya)Kenya2023Preparatory Assistance
Geometric rock art in Lake Victoria Region (Tanzania)Tanzania2023Preparatory Assistance
Geometric rock art in Lake Victoria Region (Uganda)Uganda2023Preparatory Assistance
Gola Rainforest National ParkLiberia2024Preliminary Assessment
Grenadines Island GroupSaint Vincent and the Grenadines2019Upstream Process
Großglockner High Alpine Road Austria2018Incomplete - not examined
Hikone-Jo (castle)Japan2023Preliminary Assessment
Hin Nam No Laos2021Preparatory Assistance
Hin Nam No Laos2024Incomplete - not examined
Hisham's PalacePalestine2025Postponed
Historical Relics in PyongyangKorea (DPR)2023Preliminary Assessment
Huichol Route Mexico2024Incomplete - not examined
Kalambo Falls Zambia2024Preliminary Assessment
La Haute Ville d’AntananarivoMadagascar2020Upstream Process
La Payunia, Campos Volcánicos Llancanelo y Payún MatrúArgentina2024Preliminary Assessment
Lake Chad Cultural Landscape (Nigeria)Nigeria2025Postponed
Lake Chad Cultural Landscape (Nigeria)Nigeria2021Postponed
Lake Chad Cultural Landscape (Nigeria)Nigeria2023Postponed
Lake Chilwa WetlandMalawi2019Preparatory Assistance
Lake Tana Island Monasteries and its Adjacent WetlandEthiopia2024Upstream Process
Le Charolais-BrionnaisFrance2023Preliminary Assessment
Le Fort de Médine Mali2024Preliminary Assessment
Le Fort de Médine Mali2024Preparatory Assistance
Le Parc National de la forêt du DayDjibouti2018Upstream Process
Le Parc National de la forêt du DayDjibouti2019Preparatory Assistance
Le paysage culturel de Diy Gid Biy des Monts Mandara Cameroon2021Preparatory Assistance
Les cases à impluvium du royaume BandialSenegal2024Preliminary Assessment
Les Plages du Débarquement, Normandie, 1944France2019Adjourned
MaaloulaSyria2024Preliminary Assessment
Malawi Slave Routes and Dr. David Livingstone TrailMalawi2018Upstream Process
Malawi Slave Routes and Dr. David Livingstone TrailMalawi2019Preparatory Assistance
Maungaroa Cultural LandscapeCook Islands2024Preparatory Assistance
Mayon Volcano Cultural LandscapePhilippines2026Incomplete - not examined
Médina de SfaxTunisia2024Preliminary Assessment
Mission Ruins of Venn's TownSeychelles2024Preparatory Assistance
Modernist Centre of Gdynia Poland2024Incomplete - not examined
Monastery of St. AmenaprkichIran2022Postponed
Mt. KumgangKorea (DPR)2018Upstream Process
Mt. KumgangKorea (DPR)2019Preparatory Assistance
Mt. KumgangKorea (DPR)2021Incomplete - not examined
Mt. KumgangKorea (DPR)2023Postponed
Mt. Mantalingahan Protected LandscapePhilippines2019Incomplete - not examined
Mulanje Mountain Biosphere ReserveMalawi2023Incomplete - not examined
Murujuga Cultural LandscapeAustralia2024Incomplete - not examined
Naletale Cluster of DzimbabwesZimbabwe2020Upstream Process
Naletale Cluster of DzimbabwesZimbabwe2021Preparatory Assistance
Naletale Cluster of DzimbabwesZimbabwe2025Upstream Process
Nasqsh-e Rostam and Naqsh-e RajabIran2022Postponed
NOSYnakàMadagascar2020Upstream Process
Oc Eo - Ba TheViet Nam2022Upstream Process
Oswaldo Cruz FoundationBrazil2024Preliminary Assessment
Parc national de ZakoumaChad2021Incomplete - not examined
Parc national des Iles EhotiléCôte d'Ivoire2023Preliminary Assessment
Parramatta Female FactoryAustralia2024Preliminary Assessment
Paysage culturel du Lac Tchad (Cameroon)Cameroon2025Postponed
Paysage culturel du Lac Tchad (Cameroon)Cameroon2024Postponed
Paysage culturel du Lac Tchad (Cameroon)Cameroon2021Postponed
Paysage culturel du Lac Tchad (Cameroon)Cameroon2023Postponed
Paysage culturel du Lac Tchad (Chad)Chad2021Postponed
Paysage culturel du Lac Tchad (Chad)Chad2023Postponed
Paysage culturel du Lac Tchad (Chad)Chad2025Postponed
Paysage culturel du Lac Tchad (Chad)Chad2024Postponed
Paysage culturel du Lac Tchad (Niger)Niger2024Postponed
Paysage culturel du Lac Tchad (Niger)Niger2025Postponed
Paysage culturel du Lac Tchad (Niger)Niger2021Postponed
Paysage culturel du Lac Tchad (Niger)Niger2023Postponed
Pereslavl-ZalesskyRussia2023Postponed
Port of BanbhorePakistan2020Incomplete - not examined
Port of BanbhorePakistan2021Incomplete - not examined
Port of BanbhorePakistan2023Incomplete - not examined
Qoahito Cultural LandscapeEritrea2018Upstream Process
Qoahito Cultural LandscapeEritrea2019Preparatory Assistance
Real Felipe Fortress of CallaoPeru2024Preliminary Assessment
Reef System in the Cuban CaribbeanCuba2023Preliminary Assessment
Saint-HonoratFrance2024Preliminary Assessment
Santa Bárbara mining complexPeru2023Preliminary Assessment
Seaweed Houses and Sea-salt HutsDenmark2024Preliminary Assessment
Sharjah: the Gate to Trucial StatesUnited Arab Emirates2018Incomplete - not examined
Silk Roads Sites in TajikistanTajikistan2019Incomplete - not examined
Silk Roads Sites in UzbekistanUzbekistan2019Incomplete - not examined
Sites de la métallurgie ancienne du fer de BassarTogo2023Upstream Process
Sites de la métallurgie ancienne du fer de BassarTogo2024Preliminary Assessment
Sites historiques et paysages culturels du MandenMali2019Incomplete - not examined
Sites historiques et paysages culturels du MandenMali2019Upstream Process
Sitio Arqueológico de la Villa La Isabela Dominican Republic2018Upstream Process
Smederevo FortressSerbia2024Preliminary Assessment
SS. Boris and Gleb (Kalozha) Church in the city of HrodnaBelarus2020Upstream Process
Sultanats Historiques des ComoresComoros2019Preparatory Assistance
Sultanats Historiques des ComoresComoros2023Preparatory Assistance
The Ancient Walled Oases of Northern ArabiaSaudi Arabia2021Incomplete - not examined
The Ancient Walled Oases of Northern ArabiaSaudi Arabia2024Preliminary Assessment
The archeological site of TanaisRussia2023Postponed
The architectural legacy of Rogelio SalmonaColombia2023Preparatory Assistance
The Architectural Works of Alvar AaltoFinland2022Upstream Process
The Barotse Cultural Landscape Zambia2026Incomplete - not examined
The broader region of Mount OlympusGreece2024Incomplete - not examined
The Colonial Transisthmian Route of Panamá (Reformulation)Panama2020Upstream Process
The Colonial Transisthmian Route of Panamá (Reformulation)Panama2023Incomplete - not examined
The Colonial Transisthmian Route of Panamá (Reformulation)Panama2024Referred
The historic ensemble of OrchhaIndia2024Preliminary Assessment
The Historical Port City of IzmirTurkiye2022Upstream Process
The Memorial of Chatam SóferSlovakia2022Upstream Process
The Olive Grove Landscapes of AndalusiaSpain2024Incomplete - not examined
The Padang Civic EnsembleSingapore2023Preliminary Assessment
The Quirimbas ArchipelagoMozambique2024Preliminary Assessment
The Ringed Seal Archipelagos of Lake SaimaaFinland2020Upstream Process
The Underwater City of Port RoyalJamaica2024Incomplete - not examined
The Vishaps and the Cultural Landscape of Tirinkatar Armenia2024Preliminary Assessment
TilaurakotNepal2019Upstream Process
Towns and Landscape of Taal Volcano and its Caldera LakePhilippines2024Preliminary Assessment
Travertine waterfalls in Martin Brod - Una National ParkBosnia Herzegovina2021Preparatory Assistance
Travertine waterfalls in Martin Brod - Una National ParkBosnia Herzegovina2024Incomplete - not examined
Tropical Rainforest Heritage of Sumatra – Significant Boundary ModificationIndonesia2026Incomplete - not examined
Ville-fattoria in Chianti ClassicoItaly2024Preliminary Assessment
Vwaza Marsh Wildlife ReserveMalawi2024Preliminary Assessment
Wadi Wurayah National ParkUnited Arab Emirates2024Incomplete - not examined
Wadi Wurayah National ParkUnited Arab Emirates2024Postponed
Walled City of ManilaPhilippines2025Upstream Process
WanuskewinCanada2024Preliminary Assessment
Yapese Disk Money Regional SitesMicronesia 2021Preparatory Assistance
Yesemek Quarry and Sculpture WorkshopTurkiye2018Upstream Process
Zomin MountainsUzbekistan2026Incomplete - not examined