Naxos Island, Greece.
Theodore Bent, The Cyclades (1885), reissued 2002 by Archaeopress, Oxford in the ‘3rd Guides’ series. For an excellent documentation of Byzantine Naxos , Giorgios Mastoro poulos, Νάξος, το ἄλλο κάλλος/ Naxos : Byzantine Monuments, Athens, 1996, cannot be bettered.
Naxos Travel Guide