Biman Bangladesh Airlines, is the national flag carrier airline of Bangladesh. Its main hub is at Shahjalal International Airport in Dhaka and it also operates flights from its secondary hubs Shah Amanat International Airport in Chittagong and Osmani International Airport in Sylhet. The airline provides international passenger and cargo services to Asia and Europe, as well as major domestic routes inside Bangladesh. It has air service agreements with 42 countries and currently flies to 16 different countries.