Martinez is the county seat of Contra
Costa County, California,
and is located on the south side of
the Carquinez Strait in the San Francisco
Bay Area. It's located 12 miles (19
kilometers) east of Vallejo,
27 miles (43 kilometers) northeast
of Oakland,
and 35 miles (56 kilometers) northeast
of San
Francisco.
Today, we are the largest nonprofit health care
organization in the United States, serving approximately
8.2 million people in nine states and the District
of Columbia