Air Berlin PLC (FSE: AB1), operating as airberlin, is Germany's secon largest airline after Lufthansa. It is based in Berlin, Germany, and operates extensive semi-low-cost services to holiday destinations on the Mediterranean, the Canary Islands and North Africa, as well as to major cities in Europe from 20 German airports. Its main base is Berlin-Tegel International Airport, with hubs at Düsseldorf International Airport, Nuremberg Airport and Son Sant Joan Airport, Palma de Mallorca.