Chamberí is one of the 21 districts of Madrid, Spain and organized administratively into six neighborhoods (Gaztambide, Arapiles, Trafalgar, Almagro, Ríos Rosas y Vallehermoso). Chamberí forms part of Madrid's Central Almond, with a population of around 150,000.Overview Holidays in the District: 16 of July Area: 469.22 Hectares President: Angel Garrido Population: 145,934 inhabitants GeographySubdivisionThe district is administratively divided into 6 wards : AlmagroArapilesGaztambideRíos RosasTrafalgarVallehermoso