Balboa Park is a 1,200-acre (490 ha) historic urban cultural park in San Diego, California, United States. In addition to open space areas, natural vegetation zones, green belts, gardens, and walking paths, it contains museums, several theaters, and the San Diego Zoo. There are also many recreational facilities and several gift shops and restaurants within the boundaries of the park. Placed in reserve in 1835, the park's site is one of the oldest in the United States dedicated to public recreational use. Balboa Park is managed and maintained by the Parks and Recreation Department of the City of San Diego.

San Diego is a city on the Pacific Ocean coast in Southern California located immediately adjacent to the Mexico–United States border. With a population of over 1.3 million residents, the city is the eighth-most populous in the United States and the second-most populous in the state of California after Los Angeles. The city is the seat of San Diego County, which has a population of nearly 3.3 million people as of 2021. San Diego is known for its mild year-round Mediterranean climate, extensive beaches and parks, its long association with the United States Navy, and its recent emergence as a healthcare and biotechnology development center.