The Old City, Hyderabad is a walled city of Hyderabad, India, located on the banks of the Musi River built by Qutb Shahi sultan Muhammed Quli Qutb Shah in 1591 AD. It remained the royal seat of the Nizam of Hyderabad until the end of the reign of the last Nizam, Osman Ali Khan, Asaf Jah VII (r. 1911–1948). Named after Hyder Mahal, wife of the ruler Muhammed Quli Qutb Shah, Hyderabad takes pride in its possession of magnificent antiquated structures, domical mosques, and monuments (r.