There is now a general scholarly consensus that the concentration of rural people into settlements in Western Europe (as opposed to dispersed or scattered habitations across the countryside) occurred in various stages between the eighth and twelfth centuries, though with regional divergences in precise timing, speed, formation, and intensity. What is clear from the literature is that a “one-size fits all” model for settlement development across Western Europe is not possible. Concentrated settlements appeared in certain parts of Europe for different reasons. This article discusses the strengths and limitations of four of the most influential frameworks for explaining patterns of medieval settlement concentration and their re...