The geography of Scotland in the Middle Ages covers all aspects of the land that is now Scotland, including physical and human, between the departure of the Romans in the early fifth century from what are now the southern borders of the country, to the adoption of the major aspects of the Renaissance in the early sixteenth century. Scotland was defined by its physical geography, with its long coastline of inlets, islands and inland lochs, high proportion of land over 60 metres above sea level and heavy rainfall. It is divided between the Highlands and Islands and Lowland regions, which were subdivided by geological features including fault lines, mountains, hills, bogs and marshes. This made communications by land problematic and raised difficulties for political unification, but also for