Average GPS coordinates for Boissy-sous-Saint-Yon Postcode location: 48.554, 2.212. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Boissy-sous-Saint-Yon on map:

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Listing cities & postcodes (1):
>> Île-de-France, 91790 Boissy-sous-Saint-Yon, Essonne, Arrondissement d'Étampes, GPS coordinates: 48.5538,2.2121