Cyclades isl are in Aegean sea of Greece . This is an artistic map illustration of these islands with the white cubic little houses which are around the sacred island of Delos.
In its island- Myconos Delos Paros Naxos Amorgos Folegandros Koufonisia -there is  some kind of a clue or detail that indicates its one them.

  For example, Myconos in known for the Little Venice and the pelican Petros. Naxos is known for the Portara- the big marble gate of the ancient palace that was once stood there. Santorini is known for the ancient frescos that were found there and the donkeys. etc