Mashhad is a most populous city of Iran. Mashhad is one of the world's leading tourism destinations, and the city is home to an array of
famous tourist attractions. Mashhad is a major international air transport hub with the busiest city airspace in the Iran. Mashhad consists of 1 internationally renowned airports out of which Mashhad International Airport, Mashhad is the busiest airport in terms of international traffic, and is the major
hub of all carriers.