Nizamabad is a city and a municipal corporation in Nizamabad District in the state of Andhra Pradesh, India. It is the headquarters of the district. It has a population of 466,325 agglomeration (6 to 8 lakhs). Nizamabad is the 10th most populous city in the state of Andhra Pradesh. Nizamabad city is one of 36 mandals in the Nizamabad district. It is located 171 kilometres (106 mi) north of state capital, Hyderabad.