Saudi Arabian Airlines, also known as Saudia, is the flag carrier airline of Saudi Arabia, based in Jeddah. The Saudi Airlines Lisbon office of Saudi Arabian Airlines, also known as Saudia, is a branch or subsidiary of the company located in Lisbon, the capital and largest city of Portugal. This office likely handles tasks such as ticket sales, customer service, and flight information for Saudi Arabian Airlines flights departing from or arriving at Lisbon Portela Airport, which is the main international airport serving Lisbon and the busiest airport in Portugal.