Bai Harir mosque is a highly revered shrine in Ahmedabad. It is believed to have been built by Bai Harir Sultani who was the superintendent of th eharem of Sultan Beghara. The central mirhab or prayer area of the mosque shows inscriptions. The sculptural work int he centre of the prayer room and upper part of the walls depict features of Gujarati architecture. The courtyard of the mosque has a few sealed passages that are possibly connected to the nearby stepwell or with some spacious underground alcoves. Near the mosque are located Dada Hari Vav (step well) and Bai Harir's tomb.

Bai Harir tomb is located on the north-eastern part of Bai Harir mosque. The entrance of the tomb faces towards the south. the mausoleum has a tomb chamber with a huge semi circular dome.

This is surrounded by low corridors with four small domes. Plant sculptures and geometric patterns resembling Gujarati art decorate the basement of corridors and the bottom of the mausoleum.