This is one stunningly beautiful place in the Balkans. It’s bordered by Serbia and Bosnia, and Kosovo to the east. Kotor was founded in the 5th century. The old city was built in 12th to m14th centuries. The protected walls lead up the the fortress of Saint Ivan. Kotor is on the World Heritage list.
Perast
Perast is a tiny village about a 30 minute ride from Kotor. It’s right on the water and a great place to grab lunch. There is some fishing here, but not a lot more to do.