Thiersee is a large municipality in the Kufstein district in the Austrian state of Tyrol located 5 km west of Kufstein, below the northern border with Bavaria, Germany.

The municipality is embedded in a hilly landscape with many forets and streams Entities (Ortschaften) are (in brackets: inhabitants as of January 2023): The village Thiersee was mentioned for the first time in documents in 1224[3] and belonged to Bavaria until 1504.

At the beginning of the 20th century, it was a peasant community without concerning traffic engineering.

A street from Kufstein to Thiersee was built during World War I.

Main sources of income at present are agriculture, passion play and tourism.