Average GPS coordinates for Seillac Postcode location: 47.546, 1.157. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Seillac on map:

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Listing cities & postcodes (1):
>> Centre, 41150 Seillac, Loir-et-Cher, Arrondissement de Blois, GPS coordinates: 47.5459,1.1568