The Buna river, also known as Bojana, is a 41-kilometre-long (25 mi) river in Albania and Montenegro which flows into the Adriatic Sea. An outflow of Lake Skadar measured from the source of the lake's longest tributary, the Morača, the Morača-Shkodra Lake-Bojana system is 183 km (114 mi) long.

The Adriatic Sea is a body of water separating the Italian Peninsula from the Balkan Peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto to the northwest and the Po Valley. The countries with coasts on the Adriatic are Albania, Bosnia and Herzegovina, Croatia, Italy, Montenegro, and Slovenia.