The Bay of Kotor (Serbian and Montenegrin: Бока Которска / Boka Kotorska), also known as the Boka, is the winding bay of the Adriatic Sea in southwestern Montenegro and the region of Montenegro concentrated around the bay. The bay has been inhabited since antiquity. Its well-preserved medieval towns of Kotor, Risan, Tivat, Perast, Prčanj and Herceg Novi, along with their natural surroundings, are major tourist attractions. The Natural and Culturo-Historical Region of Kotor was designated a UNESCO World Heritage Site in 1979. Its numerous Orthodox and Catholic churches and monasteries attract numerous religious and cultural pilgrims.

Perast (Serbian Cyrillic: Пераст) is an old town in the Bay of Kotor in Montenegro. It is situated a few kilometres northwest of Kotor and is noted for its proximity to the islets of St. George and Our Lady of the Rocks.

Kotor is a fortified town on Montenegro’s Adriatic coast, in a bay near the limestone cliffs of Mt. Lovćen. Characterized by winding streets and squares, its medieval old town has several Romanesque churches, including Kotor Cathedral. It's also home to the Maritime Museum, which explores local seafaring history.