Boisar is the largest industrial suburb in the Mumbai Metropolitan Region in the Indian state of Maharashtra. It was originally a part of the Thane district before becoming a part of the Palghar district. It is approximately 111 kilometers away from the state capital Mumbai, and is 98 km from the union territory Daman. It is located in the district Palghar in Maharashtra. Boisar is governed by the Palghar Municipal Council.