Oberndorf is a municipality in Kitzbühel district in the Austrian state of Tyrol. It is located in the Leukental valley, on the Kitzbühler Ache streā¦Oberndorf is a municipality in Kitzbühel district in the Austrian state of Tyrol. It is located in the Leukental valley, on the Kitzbühler Ache stream, halfway between St. Johann in Tirol and Kitzbühel.