Average GPS coordinates for Trní Postcode location: 50.283, 15.15. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Trní on map:

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Listing cities & postcodes (1):
>> Jičín, 507-43 Trní, GPS coordinates: 50.2833,15.15