Orlando is a city in, and the county seat of, Orange County, Florida, United States. Part of Central Florida, it is the center of the Orlando metropolitan area, which had a population of 2,509,831 in 2017, according to the U.S. Census Bureau. It is the sixth-largest metropolitan area in the Southern United States and the third-largest metropolitan area in Florida behind Miami and Tampa Bay. Orlando had a city population of 307,573 in the 2020 census, making it the fourth-most populous city in Florida behind Jacksonville, Miami, and Tampa. It is the state's most populous inland city.

Orlando International Airport is the primary international airport located 6 miles (9.7 km) southeast of Downtown Orlando, Florida. In 2021, it had 19,618,838 enplanements, making it the busiest airport in the state and seventh busiest airport in the United States. The airport code MCO stands for the airport's former name, McCoy Air Force Base, a Strategic Air Command (SAC) installation, that was closed in 1975 as part of a general military drawdown following the end of the Vietnam War.