Former countries similar to or like Yugoslavia

Country in Southeast and Central Europe that existed from its foundation in the aftermath of World War II until its dissolution in 1992 amid the Yugoslav Wars. Area of 255,804 km2 , the SFRY was bordered by the Adriatic Sea and Italy to the west, Austria and Hungary to the north, Bulgaria and Romania to the east, and Albania and Greece to the south. Wikipedia

State in Southeast and Central Europe that existed from 1918 until 1941. Officially called the Kingdom of Serbs, Croats and Slovenes , but the term "Yugoslavia" (literally "Land of South Slavs") was its colloquial name due to its origins. Wikipedia

Country at the crossroads of Central and Southeast Europe on the Adriatic Sea. It borders Slovenia to the northwest, Hungary to the northeast, Serbia to the east, Bosnia and Herzegovina and Montenegro to the southeast, and shares a maritime border with Italy to the west and southwest. Wikipedia

Country in southeast Europe on the Adriatic coast of the Balkans. It borders Bosnia and Herzegovina to the north, Serbia to the northeast, Kosovo to the east, Albania to the southeast, the Adriatic Sea and Croatia to the west. Wikipedia

The Balkans, also known as the Balkan Peninsula, are a geographic area in southeastern Europe with various definitions and meanings, including geopolitical and historical. The region takes its name from the Balkan Mountains that stretch throughout the whole of Bulgaria. Wikipedia

Country located in Central Europe at the crossroads of main European cultural and trade routes. Bordered by Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the southeast, and the Adriatic Sea to the southwest. Wikipedia