Selun
It lies between the valley of Toggenburg and Lake Walenstadt in the canton of St . Gallen . 
<triplet> Toggenburg <subj> St. Gallen <obj> located in the administrative territorial entity <triplet> Lake Walenstadt <subj> St. Gallen <obj> located in the administrative territorial entity <triplet> St. Gallen <subj> Toggenburg <obj> contains administrative territorial entity