Walenstadt is a small city in the east of Switzerland . It is located on the Lake Walen and is divided in four part cities : Tscherlach , Berschis , Walenstadt and Walenstadtberg . The community Walenstadt is divided in five towns : Walenstadt , Walenstadtberg , KnoblisbÃ 1\/4 hl , Berschis and Tscherlach .