The San Fernando Valley is an urbanized valley in Los Angeles County, California, in the Los Angeles metropolitan area, defined by the mountains of the Transverse Ranges circling it. Home to 1.77 million people, it is north of the larger, more populous Los Angeles Basin.

Nearly two thirds of the valley’s land area is part of the city of Los Angeles. The other incorporated cities in the valley are Glendale, Burbank, San Fernando, Hidden Hills, and Calabasas.