[javierga]

I googled this because if your comment and found out about the sovereignty issues. I had never heard about this conflict in my life.

I guess if I was to ask the average Brit about the sovereignty conflict with Spain regarding Gibraltar they would probably be non the wiser...

[athenot]

There are a few others in Europe, in particular the Mont Blanc. Though in practice, it doesn't affect day-to-day life.

https://www.politico.eu/article/peak-of-discord-mont-blanc-e...