State of California A state on the West Coast of the United States, along the Pacific Ocean. It is bordered by Oregon to the north, Nevada to the east, Arizona to the southeast, and to the south the Mexican state of Baja California. LanguaL curation note: US FDA 1995 Code: US06 california West Region State of California A state on the West Coast of the United States, along the Pacific Ocean. It is bordered by Oregon to the north, Nevada to the east, Arizona to the southeast, and to the south the Mexican state of Baja California. LanguaL curation note: US FDA 1995 Code: US06 california West Region