Muscat International Airport, formerly Seeb International Airport, is the largest airport in Oman. In 2014 it handled 8.7 million passengers. The airport currently has one terminal with a new one due to replace it when completed in early 2016. Oman Air, the national carrier of Oman is based on the grounds of Muscat International Airport.
The airport opened as Seeb International Airport in 1973, replacing a smaller airfield located in Bayt al Falaj. As of 2008, the airport’s name has been changed from Seeb International Airport to Muscat International Airport.
Source: Wikipedia