Horio, the old capital of the island of Halki, with 4,000 people on its glorious days, was gradually abandoned and is now deserted, although it was once the only settlement on Halki. Chorio is built around the hill upon which the fort is built and has old style stone houses.
The former capital Hora (Chorio) was inland to escape marauding pirates and is now deserted. The ruined medieval castle was built on the site of the ancient acropolis. There are 3 monasteries on the island: Taxiarch Michael of St. John, Holy Trinity and Holy Cross.