Lake Buena Vista is a city in Orange County, Florida, United States. It is mostly known for being the mailing address for Walt Disney World—although almost all of the resort facilities, including all four theme parks, are physically located in the adjacent city of Bay Lake. It is one of two Florida municipalities inside the Central Florida Tourism Oversight District, which also contains Walt Disney World, the other being Bay Lake. The permanent residential population of Lake Buena Vista was 24 at the 2020 census.

The Walt Disney World Resort is an entertainment resort complex located about 20 miles (32 km) southwest of Orlando, Florida, United States. Opened on October 1, 1971, the resort is operated by Disney Experiences, a division of The Walt Disney Company. The property covers nearly 25,000 acres, of which half has been developed. Walt Disney World contains numerous recreational facilities designed to attract visitors for an extended stay, including four theme parks, two water parks, four golf courses, conference centers, a competitive sports complex and a shopping, dining, and entertainment complex. Additionally, there are 19 Disney-owned resort hotels and one camping resort on the property, and many other non-Disney-operated resorts on and near the property.