Over 50 villages and tribes of the Ohlone (also known as Costanoan) Native American people have been identified as existing in Northern California circa 1769 in the regions of the San Francisco Peninsula, Santa Clara Valley, East Bay, Santa Cruz Mountains, Monterey Bay and Salinas Valley. The known tribe names and village locations of people who spoke the Costanoan languages are listed by regions below.
Languages spoken: Ramaytush, Tamyen on southern border
Tribes and villages of the San Francisco Peninsula:
The following tribes furnished most of the converts at Mission Dolores: Ahwaste, Bolbone, Chiguau, Cuchillones, Chuscan, Cotejen, Junatca, Karkin, Khulpuni, Olemos, Olhon, Olmolococ, Olpen, Quemelentus, Quirogles, Saclan, Salzon (Suisun), Sanchines, Saucou, Sichican, Uchium & Uquitinac.
Languages spoken: Tamyen, Chochenyo on eastern fringes
Tamyen language region (also spelled Tamien, Thamien) - tentatively Santa Clara Valley along Guadalupe River and west through Cupertino.
Tribes and villages of Santa Clara Valley:
Languages spoken: Chochenyo, Karkin in the north
Tribes and villages of the East Bay area:
Languages spoken: Awaswas, Tamyen on eastern border
Tribes and villages of the Santa Cruz Mountains: