Valencia is a neighborhood in Santa Clarita located within Los Angeles County, California. It is the most populous of the four unincorporated communities (along with Saugus, Newhall, and Canyon Country) that merged to create the city of Santa Clarita in 1987. It is situated centrally in the now-City of Santa Clarita, running from Newhall to the south (below Lyons Avenue) to north of Copper Hill Drive.