Nellore is a city and headquarters of Sri Potti Sri Ramulu Nellore District, formerly Nellore district.And it is the sixth largest city in the state of Andhra Pradesh. Ancient name of Nellore was "Vikrama Simhapuri".
Nellore is situated about 170 kilometres (110 mi) from Chennai on the Chennai-Kolkata national highway and about 453 kilometres (281 mi) south east of Hyderabad, the capital of Andhra Pradesh. It is located on the banks of the Penna river. Nellore is well known for its production of mica (gudur), lemon (gudur) and agricultural products such as rice and it is famous for temples like Sri Erukalala Parameswari Devi Temple known as Simhapuri(Nellore) Gramadevatha,Ranganathaswamy temple , Narasimha Swamy Konda, Jonnavada Kamakshi Ammavari temple, Ayyappa Temple, Golagamudi Venkaya Swami Temple, Rajarajeswari temple, PenchalaKona. Nellore is also known for aquaculture. It is one of the fastest developing cities in Andhra Pradesh.