Average GPS coordinates for San Juan de Tunan Postcode location: -10.643, -77.823. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Juan de Tunan on map:

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Listing cities & postcodes (1):
>> Lima, 15180 San Juan de Tunan, Barranca, GPS coordinates: -10.64289, -77.82253