Croatia proper
Croatia proper (Croatian: Hrvatska) is one of the four historical regions of the Republic of Croatia, together with Dalmatia, Istria, and Slavonia. It is located between Slavonia in the east, the Adriatic Sea in the west, and Dalmatia to the south. The region is not officially defined, and its borders and extent are described differently by various sources. In contemporary geography, the terms Central Croatia () and Mountainous Croatia () are used to describe most of this area, the former referr…