Surat is a district in the state of Gujarat, India with Surat city as the administrative headquarters of this district. It is surrounded by Bharuch, Narmada (North), Navsari (South) districts and east Tapi district To the west is the Gulf of Cambay. It is the second-most advanced district in Gujarat. It had a population of 6,081,322 of which 79.68% were urban as of 2011. On 2 October 2007 Surat district was split into two by the creation of a new Tapi district, under the Surat District Re-organisation Act 2007. As of 2011 it is the 12th most populous district of India (out of 640), and the second most populous district of Gujarat (out of 33) after Ahmadabad.