Indianapolis International Airport (IND) is the biggest airport in the state of Indiana and is under the administration and ownership of the Indianapolis Airport Authority. The public airport serves the business district of Indianapolis along with other Marion County locations. Its strategic location has makes it a major airport for most US and Canada bound flights. Spread over 7,700 acres, the airport is the eight largest cargo center in the US and the 21st busiest airport in the world. For information on ground transportation, see out notes below.