Santa Ana, Orange County, California, USA is a city and its address is Santa Ana, Orange, California USA, located at latitude 33.740833, longitude -117.881389.
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Santa Ana is the county seat and most populous city in Orange County, California
Founded in 1869, Santa Ana is located in Southern California on the Santa Ana River, 10 miles away from the California coast.
Members of the Tongva and Juaneño/Luiseño nations long inhabited the area.
After the 1769 expedition of Gaspar de Portolá out of Mexico City, ... Friar Junípero Serra named the area Vallejo de Santa Ana (Valley of Saint Anne, or Santa Ana Valley).
On November 1, 1776, Mission San Juan Capistrano was established within this valley. This Santa Ana Valley comprised most of what is now called Orange County.