Average GPS coordinates for Martonyi Postcode location: 48.467, 20.767. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Martonyi on map:

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Listing cities & postcodes (1):
>> Borsod-Abaúj-Zemplén megye, 3755 Martonyi, GPS coordinates: 48.4667,20.7667