Albania, Kosovo, Herzegovina, and Serbia are all neighbors of Montenegro. ALBANIA is a country located in the Balkan Peninsula in southeastern Europe, with a population of approximately 2.9 million people. Kosovo is a partially recognized state in southeastern Europe, with a population of 1.8 million people. Herzegovina is a region in Bosnia and Herzegovina, located in the western Balkans, with a population of approximately 1.2 million people. Serbia is a country located in the Balkan Peninsula in southeastern Europe, with a population of approximately 7 million people. All four countries border Montenegro, making them its neighbors.