San Jose, California is in the Untied States.
Northern California , often abbreviated NorCal , is the northern portion of the U.S. state of California . San Francisco Bay is a shallow estuary in the U.S. state of California . San Jose, California . Located in the center of the Santa Clara Valley , on the southern shore of San Francisco Bay , San Jose covers an area of 179.97 square miles ( 466.109 km2 ) . Santa Clara County , California , officially the County of Santa Clara , is a county in the U.S. state of California . The Santa Clara Valley runs south-southeast from the southern end of San Francisco Bay in Northern California in the United States .