Photo of the border crossing between Karasovici, Croatia and Debeji Brijeg, Montenegro.

Croatia shares boundaries with Hungary in north, Serbia and Bosnia and Herzegovina in east, Montenegro in southeast and with Slovenia in northeast.

Lenghts of Croatian borders ⁽¹⁾:

– Hungary (HRHU):                                  355.2 km
– Serbia (HRRS):                                     325.8 km
– Bosnia and Herzegovina (BAHR):      1,010.9 km
– Montenegro (HRME):                              19.5 km
– Slovenia (HRSI):                                    659.1 km
– In total:                                                  2,370.5 km

Sources

1. 2014 Statistical Yearbook of the Republic of Croatia, Croatian Bureau of Statistics, ISSN 1333-3305, tab. 1-2 Length of the land boundaries, page 44.