Universal Studios Lot is a television and film studio complex located at 100 Universal City Plaza in Universal City, California and is part of the entire Universal Studios complex, which also includes the adjacent Universal Studios Hollywood theme park. It is the production site of Universal Studios and is owned by Comcast through its wholly owned subsidiary NBCUniversal. The lot officially opened the gates of Universal City on March 15, 1915. The lot began offering its modern studio tour in 1964, which eventually evolved into the Universal Studios Hollywood theme park. Today the Universal Studios Lot is made up of 400 acres, which includes more than 30 sound stages, the Brokaw News Center and 165 other separate structures.

A film studio is a major entertainment company that makes films. They may have their own privately owned studio facility or facilities; however, most firms in the entertainment industry have never owned their own studios, but have rented space from other companies. The day-to-day filming operations are generally handled by their production company subsidiary.