1) Mountain range of Croatia 
Papuk is the largest mountain in the Slavonia region in eastern Croatia, near the city of Požega. It extends between Bilogora to the northwest, Krndija to the east, and Ravna gora and Psunj to the southwest. The highest peak is the eponymous peak at 953 m.a.s.l. The area of Papuk is designated a nature park (park prirode), a kind of protected are...