The concept of urban utopia is addressed to discuss the Arica Plan, through which the economic, regional and urbanization policies applied in the city were designed and shaped future projections during the development context (1953-1976). In this way, the idea of concrete utopia is defined, which is constituted by the discursive ideological meanings of planning as well as the effects on material concretion in space and its contradictions. With this, the insertion of the economic policies of the city of Arica is analyzed, starting from the Free Port Law (1953) and the Junta de Adelanto de Arica (1958), which were dynamizers of the urbanization process of the city. Using a geohistorical methodology, various archives were consulted, and a survey of urban and social housing policies was conducted. This allowed for analysis and description of the territorial problems of the city of Arica, both at the local level and in their relationships with other scales. The results showed that the different projections defined the city as a regional border node and that the effects of the economic and political crisis had a spatial expression in social housing, markets, and daily life.
