Žabljak Crnojevića, commonly referred to as Žabljak, is an abandoned medieval fortified town in Montenegro. The fortress is located on the confluence of the Morača river in Lake Skadar.
Wikipedia https://en.wikipedia.org/wiki/Žabljak_Crnojevića
Address Montenegro
Coordinates 42°19'1.531" N 19°9'23.526" E