Valsad district is one of the 33 districts in the Western Indian state of Gujarat. It is bound by Navsari district to the north, Nashik district of Maharashtra state to the east, and Dadra and Nagar Haveli district of the Dadra and Nagar Haveli and Daman and Diu (DNHDD) union territory and the Palghar district of Maharashtra to the south. The Arabian Sea lies west of the district. The coastal Damaon enclave of DNHDD is bounded by Valsad district on the north, east, and south. The district's administrative capital is Valsad. The district's largest city is Vapi.

Navsari is an administrative district in the state of Gujarat in India, with its headquarters at the city of Navsari. The district covers an area of 2,211 square kilometres and was formed in 1997 after Valsad district was split into Valsad and Navsari districts. It is the largest producer of chikoos in India.