Average GPS coordinates for postcode 77700: 40.467, 35.983

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Listing cities:
>> Cumhuriyet Mah. 77700, Yalova, Altinova, Altinova, GPS coordinates: 40.4667,35.9833
>> Erzurum Mah. 77700, Yalova, Altinova, Altinova, GPS coordinates: 40.4667,35.9833
>> Hürriyet Mah. 77700, Yalova, Altinova, Altinova, GPS coordinates: 40.4667,35.9833