: Ίος, locally Νιός - Nios
) is a Greek island
in the Cyclades
group in the Aegean Sea
. Ios is a hilly island with cliffs down to the sea on most sides, situated halfway between Naxos
. The Port of Ios is at the head of the Ormos harbor in the northwest. From there the bus or a 15-minute walk up the steep donkey path takes you to the village, known as Chora. Chora is a white and very picturesque cycladic village, full of stairs and narrow paths, that makes it inaccessible for cars of any kind.