Average GPS coordinates for Gerdek Postcode location: 37.25, 38.417. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Gerdek on map:

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Listing cities & postcodes (1):
>> Şanliurfa, 63850 Gerdek, Bozova, Köyler, GPS coordinates: 37.25,38.4167