The present article, analyzes the particular way like constructs the idea of a modern architecture in the context of the Sabanas del sur de Bolivar what is known nowadays as the department of Sucre. There are examined the different urban imaginary ones identified, the city and region ofprosperity and progress opposed to a marginal province forgotten by an administration that was not attending to his needs. The two different ways of apprehending the world, come together in an aim, the desire to transform the city, linked to the interest for a regional autonomy, motive of the creation of the department of Sucre