Nellore is a city located on the banks of Penna River, in Nellore district of Andhra Pradesh, India. It serves as the headquarters of the district, as well as Nellore mandal and Nellore revenue division. It is the fourth most populous city in the state. It is at a distance of 279 kilometres from Vijayawada and about 170 km north of Chennai, Tamil Nadu and also about 380 km east-northeast of Bangalore, Karnataka.