Korean Air Lines Co., Ltd., operating as Korean Air, is the national and largest airline of South Korea; its global headquarters are located in Seoul in Korea. Its international passenger division and related subsidiary cargo division together serve 130 cities in 45 countries, while its domestic division serves 20 destinations. It is among the top 20 airlines in the world airlines in terms of passengers carried. Incheon International Airport serves as Korean Air's international hub. Korean Air also maintains a satellite headquarters campus at Incheon International Airport, located 30 minutes away from South Korea's capital, Seoul.