Thessaly (Greek: Θεσσαλία, Thessalía; ancient Thessalian: Πετθαλία, Petthalía) is a traditional geographic and modern administrative region of Greece, comprising most of the ancient region of the same name. Before the Greek Dark Ages, Thessaly was known as Aeolia (Greek: Αἰολία), and appears thus in Homer's Odyssey.Thessaly became part of the modern Greek state in 1881, after four and a half centuries of Ottoman rule.