List of the busiest airports in the Balkans
The following list is for all of the countries to occupy Balkan territory with the exception of and , the information contained is for all airports on those territories.
Sometimes the European part of is considered part of the Balkan Peninsula. The Istanbul Atatürk Airport is located there. It had 67,981,446 passengers in 2018, placing it on the top spot in the list. The ( ) Romanian airports that are considered to be on the Balkan Peninsula are Mihail Kogălniceanu International Airport in Constanța and Tulcea Airport in Tulcea. They have respectively 129,235 and 158 passenger traffic.
Bulgaria
The Balkan mountains run laterally through the middle of the country. The mountainous southwest has two distinct alpine ranges—Rila and Pirin, which border the lower but more extensive Rhodope Mountains to the east. Musala, at , is the highest point in both Bulgaria and the Balkan peninsula, and the Black Sea coast is the country's lowest point. Plains occupy about one third of the territory, while plateaux and hills occupy 41%. Most rivers are short and with low water levels. The longest river located solely in Bulgarian territory, the Iskar, has a length of . Other major rivers include the Struma and the Maritsa in the south.