Deutsche Lufthansa AG, commonly shortened to Lufthansa, is the largest German airline which, when combined with its subsidiaries, is the second-largest airline in Europe in terms of passengers carried.
Lufthansa is one of the five founding members of Star Alliance, the world's largest airline alliance, formed in 1997.
Besides its own services, and owning subsidiary passenger airlines Austrian Airlines, Swiss International Air Lines, Brussels Airlines, and Eurowings (referred to in English by Lufthansa as its Passenger Airline Group), Deutsche Lufthansa AG owns several aviation-related companies, such as Lufthansa Technik and LSG Sky Chefs, as part of the Lufthansa Group.
Lufthansa operates a mainline fleet consisting of Airbus narrow and widebody and Boeing widebody aircraft. In total, the group has over 700 aircraft, making it one of the largest airline fleets in the world.
As of March 2020, Lufthansa including Lufthansa Regional (but excluding all other Lufthansa Group members) operates flights to domestic destinations and international destinations in several countries across Africa, Americas, Asia, and Europe.
According to wikipedia