I'm gonna go with none because nobody cares about bulgaria.
Austria-Hungary Empire, Ottoman Empire and Bulgaria.
Germany, Italy, and Japan, but Hungary and Bulgaria joined during ww2.
Buldaria was forced to sign the Tripartite Pact with Nazi Germany.
Japan
Bulgaria fought on the side of Nazi Germany during the war.
In world war II, Bulgaria asided with the Germans because it wanted to be on the other side of Turkey and its allies
Bulgaria was part of the axis during WW2.
Radoslavov
joined Germany
Then, as now, Sofia.
Yes, on the side of the central powers.
Bulgaria has been controlled by other countries over its history. In the 19th century by Turkey. During World War II, it had joined the Axis side. Then after World War II, the Soviet Union controlled it. In the 1980s and 1990s, Bulgaria broke free and joined NATO in 2004, and the European Union in 2007.
Part of its Western and Northern
specify pls. which war (s): Balkan war, inter-union war, world wars?
Austro-Hungary, Ottoman Empire, Italy and Bulgaria.
Bulgaria was a constitutional monarchy during most of World War II with Tsar Boris III ruling with a Prime Minister and a Parliament. Prime Minister Bogdan Filov controlled the country with the Tsar Boris. They declared Bulgaria to be a neutral nation. I have provided a link for you below if you want to read more about Bulgaria during the war.