St. Gayane church was built by Ezr Catholicos in 630 in Vagharshapat. In 1652 the walls and the roof were reconstructed. In 1683 next to the facade a gallery was added. This church is an example of vaulted basilica type. The constructive elements, the arches, quarters, tromps have been created much skillfully. There are entries on the both sides of the main altar. The windows of the church are typical to the shapes of the style of 7th century. St. Gayane church is well known because of its simplicity and architectural-artistic style, impressive interior and convincing spatial forms.