the study of how places and regions have changed over time.

D. W. Meinig, a historical geographer of America, describes many historical regions in his book The Shaping of America: A Geographical Perspective on 500 Years of History. For example, in identifying European "source regions" in early American colonization efforts, he defines and describes the Northwest European Atlantic Protestant Region, which includes sub-regions such as the "Western Channel Community", which itself is made of sub-regions