Average GPS coordinates for Polka Postcode location: 50.267, 17.1. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Polka on map:

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Listing cities & postcodes (1):
>> Jeseník, 790-64 Polka, GPS coordinates: 50.2667,17.1