Xeropolis

Archaeological research has brought to light a settlement where continuous occupation can be demonstrated from the Mycenaean (Late Helladic IIIC) period through the Dark Ages and into historic times.It has been suggested by the excavators that the site can be identified as the old Eretria which was forced to up root and move farther from Chalkis as a result of the Lelantine War.

See:

http://lefkandi.classics.ox.ac.uk/