The area is 40.8 km2 (16 sq mi) and belongs to the municipality of Teguise, Las Palmas (province). La Graciosa is the only inhabited island. The population is around 600.
A natural park (Parque natural del Archipiélago Chinijo) was designated in 1986. The area of the natural park overlaps with that of a separately designated marine reserve. The EU designated a Special Protection Area for birds in 1994.