Surat also known as Suryapur, is the commercial capital city of the Indian state

States and territories of India

India is a federal union of states comprising twenty-eight states and seven union territories. The states and territories are further subdivided into districts and so on.-List of states and territories:...

 of Gujarat. Surat is India's Eighth most populous city and Ninth-most populous urban agglomeration. It is also administrative capital of Surat district

Surat district

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 , Navsari and Dang districts. To the west is the Gulf of Cambay. It is the second-most advanced district in Gujarat...

 and one of the fastest growing cities in India. The city proper is the third cleanest city in India. Surat is Gujarat's second largest city with a population of 4.6 million.