Average GPS coordinates for Dereköy Postcode location: 40.25, 36.25. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Dereköy on map:

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Listing cities & postcodes (3):
>> Balikesir, 10470 Dereköy, Manyas, Köyler, GPS coordinates: 40.25,36.25
>> Balikesir, 10600 Dereköy, Susurluk, Köyler, GPS coordinates: 40.25,36.25
>> Balikesir, 10840 Dereköy, Balya, Köyler, GPS coordinates: 40.25,36.25