Some is random, though controlled and deliberate. Some, like the castle on the raised ground and the docks or several other pieces were placed deliberately.
These maps may be used for Melos and Denusos for Aioskoru world shown at https://sites.google.com/site/aioskoru/
Using the fractal type tools.
OGL Maps of Melos and Denusos © Copyright 2015 by Ken Wickham