Average GPS coordinates for Osieczna Postcode location: 53.767, 18.2. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Osieczna on map:

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Listing cities & postcodes (1):
>> Pomorskie, 83-242 Osieczna, starogardzki, GPS coordinates: 53.7667,18.2