[Hamuko]

Yeah, countries are usually unwilling or incapable of turning over their land to another country.

Back in 2016, the Norwegians had an idea to gift Finland a new highest peak by shifting the border between Finland and Norway just a bit as Finland was due to celebrate its 100th year of independence. However, it never actually went anywhere since it'd be unconstitutional for Norway to start splitting off its country.

https://www.bbc.com/news/world-europe-37662811