PJSC Aeroflot – Russian Airlines, commonly known as Aeroflot, is the flag carrier and largest airline of the Russian Federation. The airline was founded in 1923, making Aeroflot one of the oldest active airlines in the world. Aeroflot is headquartered in the Central Administrative Okrug, Moscow, with its hub being Sheremetyevo International Airport. The airline flies to 146 destinations in 52 countries, excluding codeshared services.