Ricky Hanson and the International Study of RE Regions.
Madeira is a Portuguese Archipelago which is located in the north Atlantic Ocean (Figure 1). It is one of the Portugal autonomous region. This archipelago consists of some islands and main islets. They are Madeira Island, Porto Santo Island, Desertas Islands, Selvagens Islands. From those islands and islets, only Madeira Island and Porto Santo Island have inhabitants, Desertas and Selvagens Islands do not have permanent inhabitants.