Average GPS coordinates for San Martin Postcode location: -8.872, -74.764. (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 (2):
>> Ucayali, 25000 San Martin, Coronel Portillo, GPS coordinates: -9.00000, -74.00000
>> Ucayali, 25530 San Martin, Padre Abad, GPS coordinates: -8.74482, -75.52736