The Department of San Martín is one of the 24 departments in which the Peruvian territory is subdivided.
The region of San Martín is one of the 24 departments in which the Peruvian territory is subdivided.
It is located in the northeastern region and for the most part it extends through the high jungle, highlighting the Cordillera Azul in the eastern area. It limits by the north with Loreto and Amazonas; by the south with Huánuco; in the east with Ucayali; and in the west with La Libertad. The vital geographic core of this region is the Huallaga River, which gives life to the valleys of Tocache, Chutayacu, Huayllabamba, Abisco, Saposoa, Sisa and Mayo. In the east, the Uchiza valley is the closest to the Andean region.
This region is made up of ten provinces: Moyobamba, Rioja, Lamas, San Martín, El Dorado, Picota, Bellavista, Huallaga, Mariscal Cáceres, Tocache.