Original: East Tyrol, or East Tirol, is an exclave of the Austrian state of Tyrol, sharing no border with the main North Tyrol part of the state.
Simplified: East Tyrol (German: Osttirol) is a small part of the Austrian state of Tyrol, located in the ost part of the state. The other part of the state is North Tyrol, which also belongs to Austria, but does not share a border with East Tyrol.