Not far from
Halki
,
Horio
, the old capital of the island, is situated. The ruins of the
ancient acropolis
were located here. Above the current town of Horio stands the
Venetian Castle
inside which stands the
old church dedicated to Agios Nikolaos
.
One can rent a boat from Halki to visit the nearby settlement of
Kelia
with its beautiful caves.
http://www.areianet.gr/infoxenios/