The Luis Muñoz Marín International Airport (IATA: SJU, ICAO: TJSJ, FAA LID: SJU) (Spanish: Aeropuerto Internacional Luis Muñoz Marín, unofficially known as Isla Verde International Airport/Aeropuerto Internacional Isla Verde) is a joint civil-military international airport named for Puerto Rico's first democratically elected governor and located in Carolina, Puerto Rico, three miles (five kilometres) southeast of San Juan. It is the busiest airport in the Caribbean region by passenger traffic.