The place is located in Machchhi Bhavan, Lucknow. It is also called the Asafi Imambara built by Asaf-ud-Daula in 1784, is among the grandest buildings of Lucknow.The complex includes the Asfi mosque, the bhul-bhulaiya, bowli, a step well with running water & two imposing gateways leading to main hall.The monument remains open from morning 6am to evening 5pm.