Hollywood Reservoir is a reservoir located in the Hollywood Hills, situated in the Santa Monica Mountains and north of the Hollywood neighborhood of Los Angeles, California. It is maintained by the Los Angeles Department of Water and Power. The reservoir and surrounding neighborhood lie east of the Hollywood Freeway and are overlooked, from a distance, by the Hollywood Sign.

The Hollywood Hills is a residential neighborhood in the central region of Los Angeles, California. It borders Studio City, Universal City and Burbank on the north, Griffith Park on the north and east, Los Feliz on the southeast, Hollywood on the south and Hollywood Hills West on the west. It includes Forest Lawn Memorial Park, Mount Sinai Memorial Park Cemetery, the Hollywood Reservoir, the Hollywood Sign, the Hollywood Bowl and the John Anson Ford Theater.