This is not controlled by Windy. Please see the following posts and direct your issue to www.openstreetmap.org instead:

https://community.windy.com/topic/5564/disputed-territories-on-windy

https://community.windy.com/topic/4649/how-to-correct-errors-in-the-base-maps

Let's leave political topics out of the Windy forum please and focus on the discussion of weather.