Andhra Pradesh, retrospectively referred to as United Andhra Pradesh, Undivided Andhra Pradesh or Ummadi Andhra Pradesh, was a state in India formed by States Reorganisation Act, 1956 with Hyderabad as its capital and was reorganised by Andhra Pradesh Reorganisation Act, 2014. The state was made up of three distinct cultural regions of Telangana, Rayalaseema, and Coastal Andhra. Before the 1956 reorganisation, Telangana had been part of Hyderabad State ruled by Nizam of Hyderabad, whereas Rayalaseema and Coastal Andhra had been part of Andhra State, formerly a part of Madras Presidency ruled by British India.

Andhra Pradesh is a state in the southern coastal region of India. It is the seventh-largest state with an area of 162,970 km2 (62,920 sq mi) and the tenth-most populous state with 49,577,103 inhabitants. It shares borders with Chhattisgarh, Odisha, Karnataka, Tamil Nadu, Telangana and the Bay of Bengal. It has the second-longest coastline in India at about 974 km (605 mi). After existence as Andhra State and unified Andhra Pradesh, the state took its present form on 2 June 2014, when the new state of Telangana was formed through bifurcation. Amaravati is the capital of the state, with the largest city being Visakhapatnam. Water sharing disputes and asset division with Telangana are not yet resolved. Telugu, one of the classical languages of India used by the majority of people, is the first official language.