View over the hilltop village of Kastro, Kastro, Sifnos Island, Cyclades, Greek Islands, Greece, Europe

kastro sifnos cyclades greece aegean sea island sea view traditional architecture blue domes scenic landscape greece tourism travel european islands summer vacation coastal village picturesque quaint historical site greek islands outdoor sunshine vibrant relaxation nature hiking culture heritage mediterranean beauty landmarks seaside charming hillside tourism destination rural island life relaxing getaway remote serene ancient ruins white buildings community local culture sightseeing unique landscapes