Switzerland also has strict language territoriality and you don't get voting right to the canton you moved to without demonstrating you are fluent in the language of the canton.

It only ''works''* because they have set clear internal boudaries, oh irony.

*Romanche is slowly dying because it has no exclusive canton, only co-official status with Alemanic/German in one canton. Its status as ''the one official language'' in some small towns is more symbolic than factual.