The Messapio (Greek: Μεσσάπιο, also known as Ktypas (Κτυπάς)) is a small mountain range located in the northeastern part of Boeotia and the mainland part of Euboea regional unit in central Greece.

[citation needed] It separates the area around Chalcis from the Boeotian plains around Thebes.

In the south, on the slope of the 740 m high mountain Ypato, there is the monastery of the Transfiguration of the Saviour.

The A1 motorway (Athens - Larissa - Thessaloniki) passes south of the mountain.

[2] Most of the mountain used to be covered with dense pine forests, and it was rich in animals such as foxes, jackals and wolves.