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
Per Event
TWHS | Country | Year of Event | Event |
---|---|---|---|
Alok Ikom Stone Monoliths | Nigeria | 2023 | Preliminary Assessment |
Ancient Khuttal | Tajikistan | 2020 | Incomplete - not examined |
Ancient Khuttal | Tajikistan | 2021 | Incomplete - not examined |
Ancient Khuttal | Tajikistan | 2023 | Incomplete - not examined |
Ancient Termiz | Uzbekistan | 2026 | Incomplete - not examined |
Aqaba Marine Reserve | Jordan | 2024 | Incomplete - not examined |
Archaeological Site 'Stone Tomb' | Ukraine | 2018 | Upstream Process |
Archaeological Site of Kültepe-Kanesh | Turkiye | 2024 | Preliminary Assessment |
Archaeological Sites of the Ancient Shu State | China | 2024 | Preliminary Assessment |
Asbads (windmill) of Iran | Iran | 2024 | Preliminary Assessment |
Asuka-Fujiwara | Japan | 2020 | Upstream Process |
Augustow Canal | Belarus | 2019 | Preparatory Assistance |
Bagh-e Babur | Afghanistan | 2024 | Incomplete - not examined |
Bashkir Shikhans | Russia | 2024 | Postponed |
Benedictine settlements in medieval Italy | Italy | 2023 | Preliminary Assessment |
Bigo bya Mugyenyi | Uganda | 2024 | Preliminary Assessment |
Bimbia et ses sites associés | Cameroon | 2021 | Preparatory Assistance |
Bisya & Salut | Oman | 2023 | Preliminary Assessment |
Blagaj | Bosnia Herzegovina | 2021 | Preparatory Assistance |
Boma-Badingilo Migratory Landscape | South Sudan | 2018 | Upstream Process |
Brandberg National Monument | Namibia | 2024 | Preliminary Assessment |
Brazilian Fortresses Ensemble | Brazil | 2022 | Incomplete - not examined |
Camp de concentration de Tarrafal | Cabo Verde | 2024 | Preliminary Assessment |
Capital Fortifications of Hanyang | Republic of Korea | 2023 | Preliminary Assessment |
Central Park | United States of America | 2024 | Preliminary Assessment |
Centre historique de la ville de Gorokhovets | Russia | 2025 | Incomplete - not examined |
Centre historique de la ville de Gorokhovets | Russia | 2021 | Incomplete - not examined |
Chapada do Araripe | Brazil | 2025 | Upstream Process |
Chapada do Araripe | Brazil | 2025 | Upstream Process |
Church of Panagia Aggeloktisti | Cyprus | 2024 | Preliminary Assessment |
City of Granada and its natural environment | Nicaragua | 2023 | Preliminary Assessment |
City of Herat | Afghanistan | 2021 | Preparatory Assistance |
City of York | United Kingdom | 2024 | Preliminary Assessment |
Civil Rights Movement Sites | United States of America | 2019 | Upstream Process |
Con Moong Cave | Viet Nam | 2022 | Upstream Process |
Con Moong Cave | Viet Nam | 2024 | Upstream Process |
Cultural landscape of Bač | Serbia | 2023 | Incomplete - not examined |
Cultural Landscape of Mahasthan and Karatoya River | Bangladesh | 2018 | Incomplete - not examined |
Denisova Сave | Russia | 2024 | Preliminary Assessment |
Desert Landscapes of the Mongolian Great Gobi | Mongolia | 2026 | Postponed |
Dirre Sheik Hussein Religious, Cultural and Historical Site | Ethiopia | 2020 | Incomplete - not examined |
Divnogorye | Russia | 2023 | Preliminary Assessment |
Eglise catholique d'Ambodifotatra de Sainte Marie | Madagascar | 2020 | Upstream Process |
Eglise catholique d'Ambodifotatra de Sainte Marie | Madagascar | 2023 | Preparatory Assistance |
Former M-13 prison/ Tuol Sleng Genocide Museum / Choeung Ek | Cambodia | 2023 | Preparatory Assistance |
Francke Foundation Buildings | Germany | 2024 | Preliminary Assessment |
Gcwihaba Caves | Botswana | 2024 | Preliminary Assessment |
Gdansk - Town of Memory and Freedom | Poland | 2020 | Incomplete - not examined |
Gdansk - Town of Memory and Freedom | Poland | 2021 | Adjourned |
Gebel Qatrani Area, Lake Qaroun | Egypt | 2019 | Incomplete - not examined |
Geometric rock art in Lake Victoria Region (Kenya) | Kenya | 2023 | Preparatory Assistance |
Geometric rock art in Lake Victoria Region (Tanzania) | Tanzania | 2023 | Preparatory Assistance |
Geometric rock art in Lake Victoria Region (Uganda) | Uganda | 2023 | Preparatory Assistance |
Gola Rainforest National Park | Liberia | 2024 | Preliminary Assessment |
Grenadines Island Group | Saint Vincent and the Grenadines | 2019 | Upstream Process |
Großglockner High Alpine Road | Austria | 2018 | Incomplete - not examined |
Hikone-Jo (castle) | Japan | 2023 | Preliminary Assessment |
Hin Nam No | Laos | 2021 | Preparatory Assistance |
Hin Nam No | Laos | 2024 | Incomplete - not examined |
Hisham's Palace | Palestine | 2025 | Postponed |
Historical Relics in Pyongyang | Korea (DPR) | 2023 | Preliminary Assessment |
Huichol Route | Mexico | 2024 | Incomplete - not examined |
Kalambo Falls | Zambia | 2024 | Preliminary Assessment |
La Haute Ville d’Antananarivo | Madagascar | 2020 | Upstream Process |
La Payunia, Campos Volcánicos Llancanelo y Payún Matrú | Argentina | 2024 | Preliminary Assessment |
Lake Chad Cultural Landscape (Nigeria) | Nigeria | 2025 | Postponed |
Lake Chad Cultural Landscape (Nigeria) | Nigeria | 2021 | Postponed |
Lake Chad Cultural Landscape (Nigeria) | Nigeria | 2023 | Postponed |
Lake Chilwa Wetland | Malawi | 2019 | Preparatory Assistance |
Lake Tana Island Monasteries and its Adjacent Wetland | Ethiopia | 2024 | Upstream Process |
Le Charolais-Brionnais | France | 2023 | Preliminary Assessment |
Le Fort de Médine | Mali | 2024 | Preliminary Assessment |
Le Fort de Médine | Mali | 2024 | Preparatory Assistance |
Le Parc National de la forêt du Day | Djibouti | 2018 | Upstream Process |
Le Parc National de la forêt du Day | Djibouti | 2019 | Preparatory Assistance |
Le paysage culturel de Diy Gid Biy des Monts Mandara | Cameroon | 2021 | Preparatory Assistance |
Les cases à impluvium du royaume Bandial | Senegal | 2024 | Preliminary Assessment |
Les Plages du Débarquement, Normandie, 1944 | France | 2019 | Adjourned |
Maaloula | Syria | 2024 | Preliminary Assessment |
Malawi Slave Routes and Dr. David Livingstone Trail | Malawi | 2018 | Upstream Process |
Malawi Slave Routes and Dr. David Livingstone Trail | Malawi | 2019 | Preparatory Assistance |
Maungaroa Cultural Landscape | Cook Islands | 2024 | Preparatory Assistance |
Mayon Volcano Cultural Landscape | Philippines | 2026 | Incomplete - not examined |
Médina de Sfax | Tunisia | 2024 | Preliminary Assessment |
Mission Ruins of Venn's Town | Seychelles | 2024 | Preparatory Assistance |
Modernist Centre of Gdynia | Poland | 2024 | Incomplete - not examined |
Monastery of St. Amenaprkich | Iran | 2022 | Postponed |
Mt. Kumgang | Korea (DPR) | 2018 | Upstream Process |
Mt. Kumgang | Korea (DPR) | 2019 | Preparatory Assistance |
Mt. Kumgang | Korea (DPR) | 2021 | Incomplete - not examined |
Mt. Kumgang | Korea (DPR) | 2023 | Postponed |
Mt. Mantalingahan Protected Landscape | Philippines | 2019 | Incomplete - not examined |
Mulanje Mountain Biosphere Reserve | Malawi | 2023 | Incomplete - not examined |
Murujuga Cultural Landscape | Australia | 2024 | Incomplete - not examined |
Naletale Cluster of Dzimbabwes | Zimbabwe | 2020 | Upstream Process |
Naletale Cluster of Dzimbabwes | Zimbabwe | 2021 | Preparatory Assistance |
Naletale Cluster of Dzimbabwes | Zimbabwe | 2025 | Upstream Process |
Nasqsh-e Rostam and Naqsh-e Rajab | Iran | 2022 | Postponed |
NOSYnakà | Madagascar | 2020 | Upstream Process |
Oc Eo - Ba The | Viet Nam | 2022 | Upstream Process |
Oswaldo Cruz Foundation | Brazil | 2024 | Preliminary Assessment |
Parc national de Zakouma | Chad | 2021 | Incomplete - not examined |
Parc national des Iles Ehotilé | Côte d'Ivoire | 2023 | Preliminary Assessment |
Parramatta Female Factory | Australia | 2024 | Preliminary Assessment |
Paysage culturel du Lac Tchad (Cameroon) | Cameroon | 2025 | Postponed |
Paysage culturel du Lac Tchad (Cameroon) | Cameroon | 2024 | Postponed |
Paysage culturel du Lac Tchad (Cameroon) | Cameroon | 2021 | Postponed |
Paysage culturel du Lac Tchad (Cameroon) | Cameroon | 2023 | Postponed |
Paysage culturel du Lac Tchad (Chad) | Chad | 2021 | Postponed |
Paysage culturel du Lac Tchad (Chad) | Chad | 2023 | Postponed |
Paysage culturel du Lac Tchad (Chad) | Chad | 2025 | Postponed |
Paysage culturel du Lac Tchad (Chad) | Chad | 2024 | Postponed |
Paysage culturel du Lac Tchad (Niger) | Niger | 2024 | Postponed |
Paysage culturel du Lac Tchad (Niger) | Niger | 2025 | Postponed |
Paysage culturel du Lac Tchad (Niger) | Niger | 2021 | Postponed |
Paysage culturel du Lac Tchad (Niger) | Niger | 2023 | Postponed |
Pereslavl-Zalessky | Russia | 2023 | Postponed |
Port of Banbhore | Pakistan | 2020 | Incomplete - not examined |
Port of Banbhore | Pakistan | 2021 | Incomplete - not examined |
Port of Banbhore | Pakistan | 2023 | Incomplete - not examined |
Qoahito Cultural Landscape | Eritrea | 2018 | Upstream Process |
Qoahito Cultural Landscape | Eritrea | 2019 | Preparatory Assistance |
Real Felipe Fortress of Callao | Peru | 2024 | Preliminary Assessment |
Reef System in the Cuban Caribbean | Cuba | 2023 | Preliminary Assessment |
Saint-Honorat | France | 2024 | Preliminary Assessment |
Santa Bárbara mining complex | Peru | 2023 | Preliminary Assessment |
Seaweed Houses and Sea-salt Huts | Denmark | 2024 | Preliminary Assessment |
Sharjah: the Gate to Trucial States | United Arab Emirates | 2018 | Incomplete - not examined |
Silk Roads Sites in Tajikistan | Tajikistan | 2019 | Incomplete - not examined |
Silk Roads Sites in Uzbekistan | Uzbekistan | 2019 | Incomplete - not examined |
Sites de la métallurgie ancienne du fer de Bassar | Togo | 2023 | Upstream Process |
Sites de la métallurgie ancienne du fer de Bassar | Togo | 2024 | Preliminary Assessment |
Sites historiques et paysages culturels du Manden | Mali | 2019 | Incomplete - not examined |
Sites historiques et paysages culturels du Manden | Mali | 2019 | Upstream Process |
Sitio Arqueológico de la Villa La Isabela | Dominican Republic | 2018 | Upstream Process |
Smederevo Fortress | Serbia | 2024 | Preliminary Assessment |
SS. Boris and Gleb (Kalozha) Church in the city of Hrodna | Belarus | 2020 | Upstream Process |
Sultanats Historiques des Comores | Comoros | 2019 | Preparatory Assistance |
Sultanats Historiques des Comores | Comoros | 2023 | Preparatory Assistance |
The Ancient Walled Oases of Northern Arabia | Saudi Arabia | 2021 | Incomplete - not examined |
The Ancient Walled Oases of Northern Arabia | Saudi Arabia | 2024 | Preliminary Assessment |
The archeological site of Tanais | Russia | 2023 | Postponed |
The architectural legacy of Rogelio Salmona | Colombia | 2023 | Preparatory Assistance |
The Architectural Works of Alvar Aalto | Finland | 2022 | Upstream Process |
The Barotse Cultural Landscape | Zambia | 2026 | Incomplete - not examined |
The broader region of Mount Olympus | Greece | 2024 | Incomplete - not examined |
The Colonial Transisthmian Route of Panamá (Reformulation) | Panama | 2020 | Upstream Process |
The Colonial Transisthmian Route of Panamá (Reformulation) | Panama | 2023 | Incomplete - not examined |
The Colonial Transisthmian Route of Panamá (Reformulation) | Panama | 2024 | Referred |
The historic ensemble of Orchha | India | 2024 | Preliminary Assessment |
The Historical Port City of Izmir | Turkiye | 2022 | Upstream Process |
The Memorial of Chatam Sófer | Slovakia | 2022 | Upstream Process |
The Olive Grove Landscapes of Andalusia | Spain | 2024 | Incomplete - not examined |
The Padang Civic Ensemble | Singapore | 2023 | Preliminary Assessment |
The Quirimbas Archipelago | Mozambique | 2024 | Preliminary Assessment |
The Ringed Seal Archipelagos of Lake Saimaa | Finland | 2020 | Upstream Process |
The Underwater City of Port Royal | Jamaica | 2024 | Incomplete - not examined |
The Vishaps and the Cultural Landscape of Tirinkatar | Armenia | 2024 | Preliminary Assessment |
Tilaurakot | Nepal | 2019 | Upstream Process |
Towns and Landscape of Taal Volcano and its Caldera Lake | Philippines | 2024 | Preliminary Assessment |
Travertine waterfalls in Martin Brod - Una National Park | Bosnia Herzegovina | 2021 | Preparatory Assistance |
Travertine waterfalls in Martin Brod - Una National Park | Bosnia Herzegovina | 2024 | Incomplete - not examined |
Tropical Rainforest Heritage of Sumatra – Significant Boundary Modification | Indonesia | 2026 | Incomplete - not examined |
Ville-fattoria in Chianti Classico | Italy | 2024 | Preliminary Assessment |
Vwaza Marsh Wildlife Reserve | Malawi | 2024 | Preliminary Assessment |
Wadi Wurayah National Park | United Arab Emirates | 2024 | Incomplete - not examined |
Wadi Wurayah National Park | United Arab Emirates | 2024 | Postponed |
Walled City of Manila | Philippines | 2025 | Upstream Process |
Wanuskewin | Canada | 2024 | Preliminary Assessment |
Yapese Disk Money Regional Sites | Micronesia | 2021 | Preparatory Assistance |
Yesemek Quarry and Sculpture Workshop | Turkiye | 2018 | Upstream Process |
Zomin Mountains | Uzbekistan | 2026 | Incomplete - not examined |