St. Sarkis Church (Persian: کلیسای مار سرکیس; Imperial Aramaic: ܩܕܝܫܬܐ ܡܪܝ ܣܲܪܓܝܼܣ) is an ancient Assyrian church located in Sir close to Urmia, West Azerbaijan Province, Iran.

[2] It is believed that St. Sarkis Church was built by the orders of Shirin (wife of the Sassanian emperor Khosrow Parviz), who was a Christian.

[3] It is located on the slope of Mount Sir, 3 km southwest of the city of Urmia and is a pilgrim place of local Assyrian Christians.

Its ceiling is in barrel vault and its thick walls are made out of irregular stones and sand-lime mortar.

Both sides of the church style of arches are Sasanian and Tavizeh vault with a horseshoe-shaped cradle made.