The San Fernando Valley, known locally as the Valley, is an urbanized valley in Los Angeles County, California. Situated to the north of the Los Angeles Basin, it contains a large portion of the city of Los Angeles, as well as several unincorporated areas; and the incorporated cities of Burbank, Calabasas, Glendale, Hidden Hills, and San Fernando. The valley is well known for its film studios such as Warner Bros. Studios and Walt Disney Studios. In addition, it is home to the Universal Studios Hollywood theme park.

Los Angeles County, officially the County of Los Angeles, and sometimes abbreviated as L.A. County, is the most populous county in the United States, with 9,861,224 residents estimated in 2022. Its population is greater than that of 40 individual U.S. states. Comprising 88 incorporated cities and many unincorporated areas within a total area of 4,083 square miles (10,570 km2), it is home to more than a quarter of Californians and is one of the most ethnically diverse U.S. counties. The county's seat, Los Angeles, is the second most populous city in the United States and the most populous city in California, with 3,822,238 residents estimated in 2022. It is also known for being the home of the American film and television industry, a distinction it has held since the early 20th century which has given the county global prominence.