Pirin National Park

Pirin National Park, originally named Vihren National Park, covering the larger part of the Pirin Mountains in southwestern Bulgaria, spanning an area of 403.56 square kilometers (155.82 mi2). It is one of the three national parks in the country, the others being Rila National Park and Central Balkan National Park. The park was established in 1962 and its territory was expanded several times since then. Pirin National Park was declared a UNESCO World Heritage Site in 1983. The elevation varies from 950 meters (3,120 ft) to 2,914 meters (9,560 ft) at Vihren, Bulgaria's second highest summit and the Balkans' third. The park is situated in Blagoevgrad Province, the nation's southwesternmost region, on the territory of seven municipalities: Bansko, Gotse Delchev, Kresna, Razlog, Sandanski, Simitli, and Strumyani. There are no populated places within its territory. Two nature reserves are located within the boundaries of Pirin National Park: Bayuvi Dupki–Dzhindzhiritsa and Yulen.