Surendranagar, city, central Gujarat state, west-central India. It is situated at the centre of the base of the Kathiawar Peninsula.
The city is a part of the Wadhwan urban agglomeration. The former capital of the princely state of Wadhwan, it is now a trade and processing centre for agricultural products. Industries include the manufacture of textiles, soap, and glass. It is a rail and road junction. Pop. (2001) city, 156,161; urban agglom., 219,585; (2011) city, 177,851; urban agglom., 253,606.