The Communist Party of Armenia was a branch of the Communist Party of the Soviet Union within the Armenian SSR, and as such, the sole ruling party in the Armenian SSR.

The Armenian Soviet Socialist Republic, also known as Soviet Armenia, or simply Armenia, was one of the constituent republics of the Soviet Union, located in the Caucasus region of Eurasia. Soviet Armenia bordered the Soviet Republics of Azerbaijan and Georgia and the independent states of Iran and Turkey. The capital of the republic was Yerevan and it contained thirty-seven districts (raions). Other major cities in the ArmSSR included Leninakan, Kirovakan, Hrazdan, Etchmiadzin, and Kapan. The republic was governed by Communist Party of Armenia, a branch of the main Communist Party of the Soviet Union.