Iberia, legally incorporated as Iberia Líneas Aéreas de España, S.A. Operadora, Sociedad Unipersonal, is the flag carrier of Spain. Founded in 1927 and based in Madrid, it operates an international network of services from its main base of Madrid–Barajas Airport. Iberia, with Iberia Regional and with Iberia Express, is a part of International Airlines Group. In addition to transporting passengers and freight, Iberia Group carries out related activities, such as aircraft maintenance, handling in airports, IT systems and in-flight catering. Iberia Group airlines fly to over 109 destinations in 39 countries, and a further 90 destinations through code-sharing agreements with other airlines.