Average GPS coordinates for Grab Postcode location: 42.627, 18.465. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Grab on map:

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Listing cities & postcodes (1):
>> Republika Srpska, 89201 Grab, Trebinje, GPS coordinates: 42.62655,18.46535