Haji Khalil is a village in the Alexandropol uezd of the former Iravan governorate, later in the former Abaran district, and currently in the Aragatsotn province. The village was integrated into the former Alagoz (Aragats) district in 1972. The provincial centre is located 51 km to the northwest of the town of Ashtarak, at the foot of Alagoz Mountain, near the Duzkend village, at a height of 2100 m above sea level. It was marked in “The Iravan Province Review Book” compiled in 1728 and on the five-verst map of the Caucasus. “The Iravan Province Review Book” compiled in 1728 indicates the Abaran area as the location of the village.

The residents of the village were Azerbaijanis. After the Treaty of Turkmenchay, the Armenians removed from abroad in the 1830s were settled in the village.

The toponym is an anthropotoponym formed on the basis of the personal name “Haji Khalil”.

By the decree of the Presidium of the Supreme Soviet of the Armenian SSR dated 15 July 1946, the village was renamed “Tsakhkahovid”. According to the law “On the administrative-territorial division of the Republic of Armenia” dated 7 November 1995, it was integrated into the administrative territory of Aragatsotn province.

Geographical coordinates: latitude: 40°38’ N., longitude: 44°13’ E.