San José de las Matas, also known as Sajoma, is an important municipality (municipio) of the Santiago province in the Dominican Republic. The mayor of Sajoma is Alfredo Reyes. there has been many positive changes in the last four years such as adding a 911 system. Within the municipality there are three municipal districts : El Rubio, La Cuesta and Las Placetas.

Santiago is a province which currently comprises one of the 32 provinces of the Dominican Republic. It is divided into 10 municipalities and its capital city is Santiago de los Caballeros. Located in north-central Dominican Republic, in the Cibao region, it is bordered by the provinces of Valverde to the north-west, Puerto Plata to the north, Espaillat and La Vega to the east, San Juan to the south and Santiago Rodríguez to the west.