Ciudad LinealCiudad Lineal is one of 21 districts of Madrid, Spain.WWW Official SiteGeographyWardsThe district is administratively divided into nine wards: Atalaya Colina Concepción Costillares Pueblo Nuevo Quintana San Juan Bautista San Pascual VentasHistoryIts name, Linear City, comes from the model of organization Linear [city (Soria design)|of the same name] devised by the Spanish architect Arturo Soria y Mata. The ‘Ciudad Lineal’ takes a form of a city 400 meters wide, centered on a tramway and a thoroughfare running in parallel. The main street in the district, calle de Arturo Soria, bears his name. The city is the current headquarters for the flag carrier airline of Spain, Iberia. Mariano Belmás Estrada was one of the main architects in the early days.