Bara Imambara, also known as Asfi Imambara is an imambara complex in Lucknow, India built by Asaf-ud-Daula, Nawab of Awadh in 1784. Bara means big.It is an important place of worship for the Muslims who come here every year to celebrate the religious festival of Muharram. The Imambara is primarily known for its incredible maze, known as Bhul Bhulaiya locally, which is located on the upper floor of the monument.