The concentration area is based in a systemic conception, where the place is understood as the starting point to think about varied themes of the historical knowledge.  The concentration are makes the understanding of the diversity, dynamics and the relation with other spaces articulated in a manner that increase the range of interpretative possibilities. Therefore, is possible to understand the daily, social, cultural, political, economical dimensions of trajectories of populations that are spread in the state of Bahia and Brazilian territories, always observing their peculiarities and similarities in the cultural-historical great mosaic of the State, the Country and the world.