Çalxanqala (also, Armenian: Ազնաբերդ, Aznaberd, Chalkhangala and Chalhankala) is a village and municipality in the Kangarli District of Nakhchivan, Azerbaijan.

It is located 33 km in the north-west from the district center, on the south slope of the Daralayaz ridge.

[2] Chalkhangala - is the fortress of the Bronze Age 22 km in the north-west from the Nakhchivan city.

The fortress of the Chalknagala of the Bronze Age which has survived till the present days has the wall with length of 450 m, height 2.5–3 m and width 2,7–3 meters.

Presumably, the Chalkhangala was the main defense fortress of the union of the tribes which were formed in the territory of the Nakhchivan, in the 2nd millennium of BC.