Koufonissia is a small group
of two islands, Pano Koufonissi (Upper Koufoníssi) and Kato Koufonissi
(Lower Koufonissi), that are separated by a narrow strait. They are
located southeast of Naxos and west of Amorgos; Pano Koufonissi is inhabited, with a land area of 5.5 sq. km and a population of 366 residents.