The Amir Chakhmaq Complex (Persian: مجموعه مید ان امیرچقمامیدان امیرچقماق یزد ماق Majmūʿa Meydân Amir Čaqmaq; also Romanized Chakhmaq, Chakmaq, Chakhmagh, Chakmak) is a prominent structure in Yazd, Iran, noted for its symmetrical sunken alcoves. It is a mosque located on a square of the same name. It also contains a caravanserai, a tekyeh, a bathhouse, a cold water well, and a confectionery. At night, the building is lit up after twilight hours after sun set with orange lighting in the arched alcoves which makes it a spectacle.