Baja California ('Lower California') is a state in Mexico Look up Baja California in Wiktionary, the free dictionary. Baja California may also refer to: Baja California peninsula, in northwestern Mexico Baja California Province (1773–1824), a former province Baja California Territory (1824–1931), a former territory Republic of Baja California, a proposed state 1853–1854 Baja California desert, a desert ecoregion Baja California Sur, another state of Mexico Bajacalifornia, a genus of fish ARM Baja California, a patrol ship in the Mexican Navy Baja (disambiguation) California (disambiguation) Alta California (disambiguation) This disambiguation page lists articles associated with the title Baja California.If an internal link led you here, you may wish to change the link to point directly to the intended article.