warwass
2023 is the expected completion date of excavations of the ancient Smyrna city. Izmir has a long way to go to be fully inscribed, probably not in 2023.

Silk Roads: Zarafshan-Karakum Corridor (Turkmenistan, Uzbekistan, Tajikistan)
All 3 countries just submitted revamped TWHS for this. The may be aiming for 2023. It has already been in process once before, but the dossier was incomplete in 2019.

Highlands of Mongol Altai (Mongolia)

"The team completed the nomination requirements in late 2020. For the next two years, the team will fine-tune the nomination with the World Heritage Center, Mongolian government, and advisory bodies International Council on Monuments and Sites (ICOMOS) and International Union for Conservation of Nature and Natural Resources (IUCN). Finally, in mid-2023, the World Heritage Committee will make a final decision."

https://www.altaiproject.org/2020/12/highlands-of-mongolian-altai-future-unesco-world-heritage-site/

One wonders if China's Xinjiang Altai Mountains will remerge as an extension again?

As previously reported Anticosti Island (Canada) for 2023, postponed only because the Klondike nomination (2022) took precedence.

https://macotenord.com/le-federal-reporte-dun-an-la-candidature-danticosti-a-lunesco/

WHC 2023
- Anticosti Island (Canada)
- Minoan Palatial Centres (Greece)
- Kashmir Mughal Gardens (India)*
- Sado Gold and Silver Mine (Japan)*
- Hin Nam No National Protected Area (Laos)
- Royal Belum State Park (Malaysia)
- Highlands of Mongol Altai (Mongolia)
- Eise Eisinga Planetarium (Netherlands)
- Daegokcheon Stream Petroglyphs (Republic of Korea)*
- Wat Phra Mahathat Woramahawihan, Nakhon Si Thammarat (Thailand)*
- Flow Country (UK)
- Hopewell Ceremonial Earthworks (USA)
- The Yen Tu Complex of Monuments and Landscapes (Vietnam)

* Presumed nomination, but faces some domestic competition as priority submission

There will undoubtedly be nominations that did not make the submission deadline for 2022 or Incomplete nominations that may eventually be included here.

Astronomical Observatories of Kazan Federal University (Russia) this sounds promising for 2023, but certainly not official yet.

https://rt.rbc.ru/tatarstan/freenews/601bdf419a794711982c3d3d?from=from_main_13