Gruyères is a town in the district of Gruyère in the canton of Fribourg, Switzerland. The medieval town is an important tourist location in the …Gruyères is a town in the district of Gruyère in the canton of Fribourg, Switzerland. The medieval town is an important tourist location in the upper valley of the Saane/Sarine river, and gives its name to Gruyère cheese. The medieval town is located at the top of an 82-metre-high hill overlooking the Saane valley and the Lake of Gruyère.