Trongsa Province was one of the nine historical Provinces of Bhutan.

Trongsa, previously Tongsa, is a Thromde or town, and the capital of Trongsa District in central Bhutan. The name means "new village" in Dzongkha. The first temple was built in 1543 by the Drukpa lama Ngagi Wangchuck, who was the great-grandfather of Ngawang Namgyal, Zhabdrung Rinpoche, the unifier of Bhutan.