Serbia Listen/ˈsɜrbiə/, officially the Republic of Serbia, is a country located at the crossroads of Central and Southeast Europe, covering the southern part of the Pannonian Plain and the central Balkans, lying between the homonymous masive and Carpathian mountains in the east, Dinaric Alps in the west, and the Morava valley – an intersection of land routes which lead southwards, towards Salonica, and eastwards, towards Asia minor.