Yerevan is the capital and largest city of Armenia, as well as one of the world's oldest continuously inhabited cities. Situated along the Hrazdan River, Yerevan is the administrative, cultural, and industrial center of the country, as its primate city. It has been the capital since 1918, the fourteenth in the history of Armenia and the seventh located in or around the Ararat Plain. The city also serves as the seat of the Araratian Pontifical Diocese, which is the largest diocese of the Armenian Apostolic Church and one of the oldest dioceses in the world.

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.