Salem is a city and a Municipal Corporation in Salem district in the Indian state of Tamil Nadu. Salem, which is also called Mango city, is located in the North Central part of the state, about 340 kilometres (211 mi) southwest of the state capital, Chennai. Salem is the fifth biggest city in Tamil Nadu in terms of population after Chennai, Coimbatore, Madurai, and Tiruchirappalli respectively. The area of the city is 100 km2 (39 sq mi). It is the fifth Municipal Corporation and Urban agglomeration commissioned in Tamil Nadu after Chennai (year 1919), Madurai (1971), Coimbatore (1981), and Tiruchirappalli (1994) respectively. Salem Corporation consists of 60 wards categorized under 4 Zonal Offices, namely Suramangalam Zonal, Hasthampatty Zonal, Ammapet Zonal, and Kondalampatty Zonal.