Average GPS coordinates for Gniezno Postcode location: 52.55, 17.6. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Gniezno on map:

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Listing cities & postcodes (4):
>> Wielkopolskie, 62-200 Gniezno, gnieźnieński, GPS coordinates: 52.55,17.6
>> Wielkopolskie, 62-204 Gniezno, gnieźnieński, GPS coordinates: 52.55,17.6
>> Wielkopolskie, 62-206 Gniezno, gnieźnieński, GPS coordinates: 52.55,17.6
>> Wielkopolskie, 62-210 Gniezno, gnieźnieński, GPS coordinates: 52.55,17.6