Kljuc Filming Locations

Belgrade is the capital of the southeast European country of Serbia. Its most significant landmark is the Beogradska Tvrđava, an imposing fortress at the confluence of the Danube and the Sava rivers. The fort is a testament to the city’s strategic importance to the Roman, Byzantine, Ottoman, Serbian and Austrian empires, and it's now the site of several museums as well as Kalemegdan, a vast park.

Greece is a country in southeastern Europe with thousands of islands throughout the Aegean and Ionian seas. Influential in ancient times, it's often called the cradle of Western civilization. Athens, its capital, retains landmarks including the 5th-century B.C. Acropolis citadel with the Parthenon temple. Greece is also known for its beaches, from the black sands of Santorini to the party resorts of Mykonos.

Montenegro is a Balkan country with rugged mountains, medieval villages and a narrow strip of beaches along its Adriatic coastline. The Bay of Kotor, resembling a fjord, is dotted with coastal churches and fortified towns such as Kotor and Herceg Novi. Durmitor National Park, home to bears and wolves, encompasses limestone peaks, glacial lakes and 1,300m-deep Tara River Canyon.