Haji Jafar mosque was built in 1905, in the center of Guba region. During Soviet occupation, it was served as a student dormitory, then used as a grain storage. In 1943, the dome was restored with the budget of local population, and since 1944, it functioned as a mosque again.

The building of the mosque, built of baked bricks, consists of 4 rooms. A small hall reserved for women is located on the second floor. The dome of the mosque is covered with white iron from the outside. The ancient carved door of the mosque, made without using nails, has been preserved until now.