FIDE CEO:

No formal bids have arrived, but we are at intense talks with several countries, with India and Singapore being on the most advanced stage. It is likely that we will get more than one formal bid.

https://timesofindia.indiatimes.com/city/chennai/india-singapore-in-fray-to-host-gukesh-vs-ding-championship-contest/articleshow/109866363.cms

We have detailed discussions with Argentina, India (more than one interested party there) and Singapore

https://www.chess.com/news/view/fides-call-for-world-championship-bids-draws-reactions