Ajapnyak is one of the 12 districts of Yerevan, which serves as the capital city of Armenia. It is situated to the northwest of the city center.
The district shares internal borders with several other Yerevan districts, including Arabkir to the east, Davtashen to the north, Kentron to the southeast, and Malatia-Sebastia to the south. The Hrazdan River serves as a natural boundary for the district on its eastern side.
Ajapnyak also borders three Armenian provinces: Armavir and Aragatsotn to the west, and Kotayk to the north.