Europe, teronver castle?

Question

Do u know which country in Europe that have a building called teronver castle?

Answer 1

Are you sure this is the right spelling?
Google finds two cases in which the name is mentioned, and in both it is a family name.
If you think it is a name like it, can you tell us in which part of Europe to start looking?
(If you have phonetically written a name, it helps a lot to know what the original language is.)