Coordinate GPS medie per codice postale 1666: 46.534, 7.082

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lista delle città :
>> Grandvillard 1666, Canton de Fribourg, District de la Gruyère, Grandvillard, coordinate GPS: 46.5233,7.1077
>> Villars-sous-Mont 1666, Canton de Fribourg, District de la Gruyère, Bas-Intyamon, coordinate GPS: 46.5442,7.0558