Gimpo Peninsula Eup. In the period of Joseon Dynasty, Gimpo Peninsula is occupied by Tongjin County and Gimpo County(including current Geomdan dong). In 1914, under the rearrangement of administrative division by Japan empires, the two counties were merged with Yangcheon County(current most part of Yangcheon District and Gangseo District of Seoul Special City) and became new Gimpo County. In 1963, part of former Yangcheon county was absorbed into Seoul but Gimpo county merges Gyeyang Myeon, formerly the district of Bucheon County. In 1989 Gyeyang Myeon was absorbed into Incheon Metropolitan City, followed by absorption of Geomdan Myeon into Incheon in 1995. It
Gimpo International Airport two passenger terminals, and one cargo terminal. In 2016, the ten carriers with the largest percentage of passengers flying into, out of, or through Gimpo International Airport are as follows: Korea Airports Corporation (KAC) has its headquarters on the airport property. The Aviation and Railway Accident Investigation Board (ARAIB) has its FDR/CVR Analysis and Wreckage Laboratory on the property of the airport. When the predecessor agency Korea Aviation Accident Investigation Board (KAIB) existed, its CVR/FDR and wreckage laboratory was located on the airport property. On 23 March 2007 the AREX airport express line started operations to Incheon International Airport, with