Average GPS coordinates for San Martin Postcode location: -13.7, -75.794. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Martin on map:

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Listing cities & postcodes (3):
>> Ica, 11780 San Martin, Chincha, GPS coordinates: -13.08568, -75.91751
>> Ica, 11000 San Martin, Ica, GPS coordinates: -14.04810, -75.69830
>> Ica, 11500 San Martin, Ica, GPS coordinates: -13.96667, -75.76667