The Former Yugoslavia

The former Internet country code for the region formerly known as the Eastern European country of Yugoslavia was YU.

The countries and regions that were included within the boundaries of the former Yugoslavia includeBosnia, Croatia, Macedonia, Montenegro, Serbia, and Slovenia.

The State of Slovenes, Croats and Serbs and the Kingdom of Serbia formed a union on December 1, 1918 and the Kingdom of Montenegro was annexed into that union on November 13, 1918. The new union was called the Kingdom of Yugoslavia.

Kingdom of Yugoslavia
(October 3, 1929)

Democratic Federal Yugoslavia
Proclaimed in 1943 by the Yoguslav Partisans resistance movement in World War II.

Federal People's Republic of Yugoslavia
In 1946 Democratic Federal Yugoslavia was renamed the Federal People's Republic of Yugoslavia.

Social Federal Republic of Yugoslavia
(1963)

Federal Republic of Yugoslavia
(established March 27, 1992)

The last country using the name "Yugoslavia" was the Federal Republic of Yugoslavia, which included Serbia, portions of Montenegro, and the autonomous provinces of Vojvodina and Kosovo. On February 4, 2003 the Federal Republic of Yugoslavia was renamed the State Union of Serbia and Montenegro.

Montenegro declared its independence on June 3, 2006 and Serbia declared its independence on June 5, 2006. Kosovo declared its independence in 2008 but its statehood was still in dispute at the time of this writing.