Communication and division on the northern border of Catalonia between the 15th and 18th centuries

International audienceCatalonia's northern border underwent major shifts during the Modern Age. Wars played a significant role in these changes, as evi-denced by the Treaty of the Pyrenees in 1659, a stage in the process which led to the creation of an actual state borderline that the people gradually started to internalise. Nonetheless, the border dwellers still interacted with each other, making it a place of intense exchanges which included them within a larger cultural and economic framework in which they strove to live "as good neighbours", as they themselves put it