Average GPS coordinates for San Sebastian Postcode location: 20.667, -103.733. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Sebastian on map:

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Listing cities & postcodes (3):
>> Jalisco, 45979 San Sebastian, Poncitlan, GPS coordinates: 20.3667,-102.9667
>> Jalisco, 46525 San Sebastian, Etzatlan, GPS coordinates: 20.8167,-104.1167
>> Jalisco, 49310 San Sebastian, Sayula, Sayula, GPS coordinates: 20.8167,-104.1167