The Universal Language Selector is a great interface the community is already familiar with for switching languages and could easily be used for this. Demo of what this could look like with ULS: https://jsfiddle.net/planemad/Lcvp5p7x/

Wikipedia doesn't do it. Wikipedia shows the same thing in the whole world. The editions of Wikipedia in Russian and in English are widely read in both Ukraine and in Russia. They must show the same information about the borders of Crimea everywhere, and to represents all points of view. Wikipedia editors argue a lot, but they are surprisingly good at reaching an agreement with each other about representing maps, despite having very different political opinions.

An Indian user is dispmayed by our current handling of these areas

@Yurik This is a proof of concept of client side language switching that I managed to put together last week to make a multilingual place map of India.

@Yurik in a language place names can be of two types:

A flexible solution for this would be to switch the languages dynamically on the client side using a gl implementation, but I guess there is no plans to move to gl for now?