Democratic Alliance - Bulgaria - ended in 1934.
Democratic Alliance - Bulgaria - was created in 1923.
People's Alliance - Bulgaria - was created in 1921.
many nations. Bulgaria is a full member of the NATO (military alliance), so it has alliance with all members of the pact.
Nato alliance
Bulgaria joined the Triple Alliance on September 17, 1915, during World War I. This alliance was formed with Germany, Austria-Hungary, and Italy, aiming to expand Bulgaria's territorial ambitions in the Balkans. Bulgaria's entry into the alliance was motivated by its desire to reclaim territories lost in previous conflicts.
Christian Peoples Alliance was created in 1999.
Progressive Peoples Alliance was created in 2003.
Bulgaria was part of the Central Powers, alongside with Germany, Austria-Hungary and the Ottoman Empire. It joined the alliance in October 1915.
Quadraple Alliance
Germany, Austria, Turkey
Bulgraia was the Peoples Republic till 1989 (upto the one party communist rule), after that period it became Republica Bulgaria