Nepal Airlines, which is officially known as "Royal Nepal Airlines", is an airline based in Kathmandu, Nepal. It is the government owned national flag-carrier airline and operates more than 30 domestic and 7 international routes. The main base of Nepal Airlines is Tribhuvan International Airport, Kathmandu. Here are also more than 6 airlines which are operated by private sector. The major airlines operated by private Sector are Yeti and Buddha, both are very popular among tourists flying to Nepal.