Location information

At the time of the foundation of Megalopolis, we find the Orchomenians exercising supremacy over Theisoa, Methydrium, and Teuthis; but the inhabitants of these cities were then transferred to Megalopolis, and their territories assigned to the latter.

Dictionary of Greek and Roman Geography (1854) (ed. William Smith, LLD)
• http://www.perseus.tufts.edu/cgi-bin/ptext?doc=Per...