Average GPS coordinates for Saint-Martin-de-Seignanx Postcode location: 43.543, -1.39. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Saint-Martin-de-Seignanx on map:

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Listing cities & postcodes (1):
>> Aquitaine, 40390 Saint-Martin-de-Seignanx, Landes, Arrondissement de Dax, GPS coordinates: 43.5428,-1.3895