Hyderabad State, also known as Hyderabad Deccan, is an Indian princely state located in the south-central region of India with its capital at the city of Hyderabad.

It is now divided into Telangana state, Hyderabad-Karnataka region of Karnataka and Marathwada region of Maharashtra.

The state is ruled from 1724 until 1948 by a hereditary Nizam who is initially a Mughal governor of the Deccan before becoming independent