Katargam is a Zonal Town in Surat city and host of the World famous Surat Diamond Industry. Today Katargam has one of the best developed area in Surat city and also boasts of Diamond Industries.
The area is also known as dense Concrete Jungle. It was a Nagar Panchayat in 1970s but was amalgamated in Surat Municipal Corporation. Due to the development of Diamond Industries in the town it spurred growth in population and its population is around 0.7 million as of 2008 estimates. The majority of the population is from Saurastra also known as Katiyawad. The town has grown in size in the year 2006 with amalgamation of municipalities of Amroli, Chapprabhatta, Kosad.