The administrative division of Madrid affected the area in the four changes made by the City Council.4 From 1898 to 1955 Prosperity was part of the district of Buenavista, in that year to join the Chamartín district boundaries and reducing their size. In 1970, a municipal decree reduced ward boundaries again. Finally, in 1987, a new decree creates the Garden City district, and Prosperity is divided into two and renamed the area north of the street Lopez de Hoyos "Garden City", keeping the name for the area south of axis.4
