Nellore (Nelluru) is a city in Nellore district of the Indian state of Andhra Pradesh. It is located on the banks of the Penna River in Nellore mandal of Nellore revenue division.[2] It is a municipal corporation and the headquarters of Nellore district. The city is the fourth most populous settlement of the state well known for its agriculture and aquaculture.

Nellore existed from the times of the Mauryan empire and was ruled by Ashoka in the 3rd century B.C. Nellore was conquered by the Rulers of the Pallava Dynasty and it was under their till the 6th Century AD, subsequently the Chola rulers ruled Nellore for a long period of time. The Telugu Cholas met their decline in the 13th Century.Tamil inscriptions indicate that it formed part of Cholas kingdom till their decline in the thirteenth century AD It later became a part of Kakatiyas, Vijayanagara Empire, Sultanate of Golconda, Mughal Empire and Arcot Nawabdom. In the 18th century, Nellore was taken over by the British from the Arcot Nawabs and was part of the Madras Presidency of British India. The city had an important role in the emergence of the Telugu language and the formation of the state of Andhra Pradesh. Potti Sriramulu, who fasted until death for the formation of Andhra Pradesh, hailed from Nellore. The city had an important role in the emergence of the Telugu language and the formation of the state of Andhra Pradesh. It had been under the rule of Maurya Dynasty, Kharavela of Chedi dynasty, Satavahanas, Kakatiyas, Pallavas, Cholas, Eastern Gangas of Kalinga Empire, Telugu Cholas, Pandyas, Vijayanagara Empire, Arcot Nawabs and other dynasties.

As of 2011 census, Nellore city had a population of 499,575. The average literacy rate stands at 83.59% (male 87.53%; female 79.52%) with 387,192 literates, significantly higher than the state average of 73.00%.The expanded city population post merger of 15 gram panchayats into Nellore Municipal Corporation stands at 600,869.

Certain industries like Nippo batteries factory, Apache leather shoes factory etc. have their presence. Proximity to the sea and fertile land towards the east have led to agriculture and aquaculture to prosper. The most productive is the Shrimp culturing.

The annual Rottela Panduga/Rotiyaan ki Eid is an annual urs event celebrated at the Bara Shaheed Dargah(shrine of twelve martyrs) on the banks of Swarnala Cheruvu.The event got its name after the practice of exchanging roti(flat breads) and attracts visitors from all background.

The city is well connected by road with national and state highways, a major main line of Indian Railways provide rail coonnectivity and even has a sea trade, with very close proximity of Krishnapatnam Port near the city.APSRTC operates its bus services to various parts of the state from Nellore bus station.The National Highway 5 passes through the town, which is a part of Golden Quadrilateral connecting Kolkata and Chennai.Nellore railway station lies on Vijayawada-Chennai section of Howrah-Chennai main line and hence well connected by rail to most parts of India. It is also connected by Chennai Suburban Railway, lying on the North Line which terminates at Bitragunta. It is classified as an A–category station. It is recognised as an Adarsh station in the Vijayawada railway division of South Central Railway zone.It is also one amongst the top hundred booking stations of Indian Railway.Apart from Nellore, the city has and two small railway stations namely, Nellore south & Vedayapalem.

Secondary and higher secondary education are handled by SSC board. Although many schools have a choice to pursue school education through Central board (CBSE).Several institutes are offering K.G to P.G in Nellore itself without depending on other states or country’s. Prominent institutions include Vikrama Simhapuri University, Rao’s Educational Society, Indian Institute of Tourism and Travel Management, Veda and Sanskrit college, Government Medical College, and Venkatagiri Raja’s College (VRC) and high school,Narayana Medical College, Atmakur Engineering college, Thrive School.