The Nawab of Awadh or the Nawab of Oudh (IPA: /ˈaʊd/) was the title of the rulers who governed the state of Oudh or Awadh in India during the 18th and 19th centuries. The Nawabs of Awadh belonged to a dynasty of Persian origin from Nishapur. In 1724, Nawab Sa'adat Khan established the Oudh State.