Average GPS coordinates for Ostrov Postcode location: 50.2, 15.183. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Ostrov on map:

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Listing cities & postcodes (1):
>> Nymburk, 290-01 Ostrov, GPS coordinates: 50.2,15.1833