There is one place named Zwirtner See in Austria.
All places in the world called "Zwirtner See".
Sankt Georgen (8)
Sankt Martin (7)
Dorfl (7)
Sankt Leonhard (7)
Sankt Margarethen (7)
Steinbach (6)
Kirchdorf (6)
Baumgarten (6)
Eben (6)
Wald (6)
Nussdorf (6)
Moos (6)
Neustift (6)
Sankt Veit (6)
Sonnberg (6)
Neudorf (6)
Mitteregg (6)
Sankt Johann (6)
Hub (6)
Au (6)
Brandstatt (6)
Schonberg (6)
Stein (6)
Strass (6)
Kirchberg (6)
Winkl (6)
Hof (6)
Bach (6)
Ried (6)
Wiesen (6)