The mainland geographical region of Equatorial Guinea.

A province in central Argentina / A river in Uruguay, which joins the Uruguay River. / A department in north-western Uruguay.

A province of Argentina.

A department of Nicaragua

(historical) One of the two territories (the other being Saguia el-Hamra) that formed the Spanish province of Spanish Sahara after 1969; it had been taken as a Spanish colonial possession in the late 19th century.