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City Development SA is a company heiress Promotion Old Town, SA and Promotion of Old Town, SA. This company continues to manage the activities directly related to or arising from the transformation and revitalization of neighborhoods of the historic center of Barcelona, ​​focuses its activity mainly in the district of Old Town, but so can the rest of the city if to do so orders the Commission of Government.
Structured activities and services of the company into three pillars: social, cultural and economic.