 The municipality has an area of 71.4 km²; it borders Puerto Plata Province (North), Licey (South), Espaillat Province (East), and Santiago (West).The municipality was created in 1900 under the name Peña, which name it kept until 1962 when it was changed to Tamboril.The municipality contains the municipal district of Canca La Piedra, six rural sections, and 36 places ("parajes").