Chota Imambara, also known as Imambara Hussainabad Mubarak is an imposing monument located in the city of Lucknow, Uttar Pradesh, India. It took 54 years to finalize it. Built as an imambara or a congregation hall for Shia Muslims, by Muhammad Ali Shah, the Nawab of Awadh in 1838, it was to serve as a mausoleum for himself and his mother, who is buried beside him.