where is martinez, ca
Martinez, California. Martinez (/mÉËrËtiËnáµ»s/ mar-TEE-niss or /mÉËrËtiËnÉÎ¸/ mar-TEE-neth; Spanish: MartÃ­nez) is a city and the county seat of Contra Costa County, California, in the East Bay of the San Francisco Bay Area. The population was 35,824 at the 2010 census.