| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Gacik | city | Istanbul Ili | Turkey | 40.6166667 | 29.3333333 | 583 | 161268 |
| Gacık | city | Istanbul Ili | Turkey | 40.6166667 | 29.3333333 | 583 | 161268 |
| Galata | city | Istanbul Ili | Turkey | 41.0166667 | 28.9666667 | 78 | 106552 |
| Gazitepe | city | Istanbul Ili | Turkey | 41.1286111 | 28.3261111 | 505 | 185404 |
| Gazitepekoy | city | Istanbul Ili | Turkey | 41.1286111 | 28.3261111 | 505 | 185404 |
| Gazitepekōy | city | Istanbul Ili | Turkey | 41.1286111 | 28.3261111 | 505 | 185404 |
| Gelevri | city | Istanbul Ili | Turkey | 41.1311111 | 28.1316667 | 236 | 69083 |
| Germe | city | Istanbul Ili | Turkey | 41.2738889 | 28.6622222 | 341 | 185064 |
| Goce | city | Istanbul Ili | Turkey | 41.1 | 29.85 | 29 | 120362 |
| Gokceali | city | Istanbul Ili | Turkey | 41.2008333 | 28.4466667 | 144 | 185301 |
| Gokcedere | city | Istanbul Ili | Turkey | 40.605 | 29.1730556 | 321 | 167360 |
| Gokceli | city | Istanbul Ili | Turkey | 41.2008333 | 28.4466667 | 144 | 185301 |
| Gokmasli | city | Istanbul Ili | Turkey | 41.1 | 29.8 | 16 | 166883 |
| Goksu | city | Istanbul Ili | Turkey | 41.0780556 | 29.7755556 | 318 | 181828 |
| Gokturk | city | Istanbul Ili | Turkey | 41.18 | 28.8880556 | 190 | 185301 |
| Gollu | city | Istanbul Ili | Turkey | 41.1833333 | 29.2666667 | 209 | 163872 |
| Goztepe | city | Istanbul Ili | Turkey | 40.9666667 | 29.1 | 85 | 137131 |
| Gumusdere | city | Istanbul Ili | Turkey | 41.2383333 | 28.9830556 | 85 | 146026 |
| Gumuskoy | city | Istanbul Ili | Turkey | 41.2333333 | 28.9666667 | 265 | 146026 |
| Gumuspinar | city | Istanbul Ili | Turkey | 41.3147222 | 28.2880556 | 715 | 184947 |
| Gumussu | city | Istanbul Ili | Turkey | 41.1166667 | 29.1 | 328 | 163793 |
| Gumussuyu | city | Istanbul Ili | Turkey | 41.0472222 | 28.0427778 | 3 | 5214 |
| Gumusyaka | city | Istanbul Ili | Turkey | 41.0472222 | 28.0427778 | 3 | 5214 |
| Gungoren | city | Istanbul Ili | Turkey | 41.035 | 28.8575 | 236 | 162780 |
| Gurpinar | city | Istanbul Ili | Turkey | 40.9902778 | 28.6152778 | 488 | 69244 |
| Guzelce | city | Istanbul Ili | Turkey | 41.05556 | 28.5116667 | 114 | 153487 |
| Guzelyali | city | Istanbul Ili | Turkey | 40.8580556 | 29.2833333 | 0 | 36686 |
| Gökceli | city | Istanbul Ili | Turkey | 41.2008333 | 28.4466667 | 144 | 185301 |
| Gökmaslı | city | Istanbul Ili | Turkey | 41.1 | 29.8 | 16 | 166883 |
| Göksu | city | Istanbul Ili | Turkey | 41.0780556 | 29.7755556 | 318 | 181828 |
| Göktürk | city | Istanbul Ili | Turkey | 41.18 | 28.8880556 | 190 | 185301 |
| Gökçeali | city | Istanbul Ili | Turkey | 41.2008333 | 28.4466667 | 144 | 185301 |
| Gökçedere | city | Istanbul Ili | Turkey | 40.605 | 29.1730556 | 321 | 167360 |
| Göllü | city | Istanbul Ili | Turkey | 41.1833333 | 29.2666667 | 209 | 163872 |
| Göztepe | city | Istanbul Ili | Turkey | 40.9666667 | 29.1 | 85 | 137131 |
| Göçe | city | Istanbul Ili | Turkey | 41.1 | 29.85 | 29 | 120362 |
| Gümüşdere | city | Istanbul Ili | Turkey | 41.2383333 | 28.9830556 | 85 | 146026 |
| Gümüşköy | city | Istanbul Ili | Turkey | 41.2333333 | 28.9666667 | 265 | 146026 |
| Gümüşpınar | city | Istanbul Ili | Turkey | 41.3147222 | 28.2880556 | 715 | 184947 |
| Gümüşsu | city | Istanbul Ili | Turkey | 41.1166667 | 29.1 | 328 | 163793 |
| Gümüşsuyu | city | Istanbul Ili | Turkey | 41.0472222 | 28.0427778 | 3 | 5214 |
| Gümüşyaka | city | Istanbul Ili | Turkey | 41.0472222 | 28.0427778 | 3 | 5214 |
| Güngören | city | Istanbul Ili | Turkey | 41.035 | 28.8575 | 236 | 162780 |
| Gürpınar | city | Istanbul Ili | Turkey | 40.9902778 | 28.6152778 | 488 | 69244 |
| Güzelce | city | Istanbul Ili | Turkey | 41.05556 | 28.5116667 | 114 | 153487 |
| Güzelyalı | city | Istanbul Ili | Turkey | 40.8580556 | 29.2833333 | 0 | 36686 |
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