Hungary, Romania, Bulgaria, Macedonia, Albania, Montenegro, Bosina and Herzegovina and Croatia.
No country borders both Belarus and Serbia.
Macedonia shares its borders with Serbia, Albania, Greece and Bulgaria
Serbia
No borders between Romania and Greece. Romania has borders with Serbia, Hungary, Ukraine, Moldova, Bulgaria. Greece has borders with Albania, Macedonia, Bulgaria, Turkey. ___ Bulgaria borders Greece and Romania.
It borders Croatia, Serbia and Montenegro
Romania has borders with Bulgaria, Hungary, Ukraine, Serbia and Moldova; also the Black Sea is a border.
Romania borders Bulgaria, Serbia, Hungary, the Ukraine, and Moldova.
Skoplje
The answer is Serbia.
Romania has borders with Hungary, Serbia, Bulgaria, Moldova and Ukraine.
Romania has boundaries with Bulgaria, Moldova, Ukraine, Hungary and Serbia.
Both Serbia and Ukraine border Hungary and Romania.