San Juan Province (Dominican Republic)
Since colonial times, the territory was part of Azua province until the dictator, Rafael Trujillo, made this province in 1938 with the name Benefactor with the municipalities of Las Matas de Farfán y El Cercado. Bohechío was made a municipality in 1974, Vallejuelo in 1978 and Juan de Herrera in 1992.