Tanuku is a town located in the West Godavari district of Andhra Pradesh. It is the Mandal headquarters of TanukuMandal in the Narasapuram revenue division. In terms of population, Tanuku is the fourth largest city in the West Godavari district after Tadepalligudem,Bhimavaram,and Palakollu. Occupied with a total area of 16.78 km2, Tanuku is a town having a tropical climate and an annual rainfall of 313.4 millimeters (31.34 cm). The Gosthani River stream through the town. According to the 2011 Indian Census report, Tanuku town has a population of 90,430. Constituted as a 2nd-grade municipality in 1979, Tanuku town is now upgraded to 1st-grade in the year of 2002. The town has 34 election wards and Its jurisdiction is spread over a total area of 24.56 km2 (9.48 sq mi). Tanuku assembly constituency depictsthe Andhra Pradesh Legislative Assembly, which is one of the sectors of the Narasapuram Lok Sabha constituency, defining the Lok Sabha.
In the ancient period, Tanuku town was known as Tarakapuri, which was the capital of Asura King Tarakasura. Tanuku town is the birthplace of the greatest poet and the first poet in the Telugu language AdikaviNannayya. He was the author of the first Andhra Mahabharatam. He conducted a Yagna under the Jammi tree and translated Mahabaratha from Sanskrit to Telugu.