Wow! Tell me more. 
 Thanks for all your help. 
 What other geography you know about? 
 I do not have any information on the politics. I do have a historical fact. The northernmost part of Vojvodina plain, in the city of Kikinda, there are a number of endangered long-eared owls. Making this town the world's biggest settlement of these species. 
 The Republic of Serbia has a total border length of 2,027 km. Albania is 115 km. Bosnia and Herzegovina is 302 km. Bulgaria has 318 km. Croatia makes up 241 km. Hungary is 151 km. North Macedonia makes up 221 km. Montenegro is 203 km and Romania equals 476 km.
The Republic of Serbia has a total border length of 2,027 km. Albania is 115 km. Bosnia and Herzegovina is 302 km. Bulgaria has 318 km. Croatia makes up 241 km. Hungary is 151 km. North Macedonia makes up 221 km. Montenegro is 203 km and Romania equals 476 km.