Nellore ( నెల్లూరు) is a city and municipal corporation in the South Indian state of Andhra Pradesh. The administrative headquarters of Sri Potti Sri Ramulu Nellore district (formerly Nellore district), Nellore is the 6th most populous city in Andhra Pradesh and the 89th most populous city in India. The ancient name of Nellore was "Vikrama Simhapuri"