The seat of Kadva Patels, an influential division of Patel community, the town has its origin in antiquity. It has the temple of Umia Mata, the family deity of Kadwa Patels. The temple was constructed in 1858 and is surrounded by a lofty brick enclosure. Large fairs are held here on Maha Sud 5 and Vaisakh Sud 15. The town is also known for its Ayurvedic Pharmacy engaged in the manufacture of Ayurvedic medicines. The market yard of Unjha is the biggest in the district where a large transaction of jeera (cumin), variyali (fennel seed) and isabgul (fleawort seed) is carried out.