摘要:What is generally considered as Baiano West - unlike the Economic West Region Bahia - is the vast territory formed by the counties located on the left bank of Rio São Francisco, in the cerrado.The are a total of thirty-five counties that cover an area of 183 thousand km2, corresponding to a percentage slightly lower than 35% of the territorial extension of the State of Bahia. This regional division is absolutely clear when used to designate the areas of most recent appropriation by the state of Bahia, it has a weak assimilation identity which leads to several discussions about the relevance of the west region as a participant of the dynamics of the territorial state, since historically, was considered an area outside the cultural and economic reality of the rest of Bahia, being little integrated so. In this sense, the text presented meet the objective of seeking understanding through the instrumental methods of analysis by long duration, the training area and the socioeconomic regions before called "Beyond San Francisco" in the first 326 years of Lusitanian and Brazilian ownership. Key-words: Territorial dynamics. Historical geography. Baiano West. Territorial dynamics. Historical geography. Baiano West. Territorial dynamics. Historical geography. Baiano West.