| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Haci | city | Kocaeli Ili | Turkey | 40.85 | 29.75 | 935 | 31759 |
| Haciibrahim Ciftligi | city | Kocaeli Ili | Turkey | 40.7666667 | 30.0666667 | 55 | 31801 |
| Hacilar | city | Kocaeli Ili | Turkey | 41.05 | 30.05 | 328 | 31661 |
| Haciyusuflar | city | Kocaeli Ili | Turkey | 40.85 | 29.75 | 935 | 31759 |
| Hacı | city | Kocaeli Ili | Turkey | 40.85 | 29.75 | 935 | 31759 |
| Hacıibrahim Çiftliği | city | Kocaeli Ili | Turkey | 40.7666667 | 30.0666667 | 55 | 31801 |
| Hacılar | city | Kocaeli Ili | Turkey | 41.05 | 30.05 | 328 | 31661 |
| Hacıyusuflar | city | Kocaeli Ili | Turkey | 40.85 | 29.75 | 935 | 31759 |
| Hadji | city | Kocaeli Ili | Turkey | 40.85 | 29.75 | 935 | 31759 |
| Halidere | city | Kocaeli Ili | Turkey | 40.7141667 | 29.7491667 | 531 | 17501 |
| Halıdere | city | Kocaeli Ili | Turkey | 40.7141667 | 29.7491667 | 531 | 17501 |
| Hamidiye | city | Kocaeli Ili | Turkey | 40.8725 | 29.4283333 | 666 | 31759 |
| Hamidiye | city | Kocaeli Ili | Turkey | 40.6833333 | 29.8166667 | 751 | 28478 |
| Hasancik | city | Kocaeli Ili | Turkey | 40.8 | 30.2 | 662 | 31193 |
| Hasancık | city | Kocaeli Ili | Turkey | 40.8 | 30.2 | 662 | 31193 |
| Hasaney | city | Kocaeli Ili | Turkey | 40.6630556 | 29.8555556 | 479 | 31124 |
| Hasaneyn | city | Kocaeli Ili | Turkey | 40.6630556 | 29.8555556 | 479 | 31124 |
| Hasaniye | city | Kocaeli Ili | Turkey | 40.6630556 | 29.8555556 | 479 | 31124 |
| Hasineyin | city | Kocaeli Ili | Turkey | 40.6630556 | 29.8555556 | 479 | 31124 |
| Havuzdere | city | Kocaeli Ili | Turkey | 40.6833333 | 29.95 | 859 | 28933 |
| Hayriye | city | Kocaeli Ili | Turkey | 40.65 | 29.5833333 | 1181 | 30891 |
| Hediyeli | city | Kocaeli Ili | Turkey | 41.0505556 | 30.0308333 | 311 | 31661 |
| Hereke | city | Kocaeli Ili | Turkey | 40.7861111 | 29.6147222 | 0 | 12097 |
| Herekefabrikasi | city | Kocaeli Ili | Turkey | 40.7861111 | 29.6147222 | 0 | 12097 |
| Herekefabrikası | city | Kocaeli Ili | Turkey | 40.7861111 | 29.6147222 | 0 | 12097 |
| Hersek | city | Kocaeli Ili | Turkey | 40.7225 | 29.5038889 | 9 | 15490 |
| Hidirlar | city | Kocaeli Ili | Turkey | 40.95 | 30.25 | 328 | 29826 |
| Hikmetiye | city | Kocaeli Ili | Turkey | 40.6983333 | 30.1405556 | 278 | 31063 |
| Himmetli | city | Kocaeli Ili | Turkey | 40.9 | 29.8166667 | 807 | 31736 |
| Himmetlidivani | city | Kocaeli Ili | Turkey | 40.9 | 29.8166667 | 807 | 31736 |
| Himmetlidivanı | city | Kocaeli Ili | Turkey | 40.9 | 29.8166667 | 807 | 31736 |
| Hizirlar | city | Kocaeli Ili | Turkey | 40.95 | 30.25 | 328 | 29826 |
| Hocakoy | city | Kocaeli Ili | Turkey | 40.9408333 | 29.89 | 1013 | 31717 |
| Hocakoy | city | Kocaeli Ili | Turkey | 41.05 | 30.2833333 | 305 | 31661 |
| Hocaköy | city | Kocaeli Ili | Turkey | 40.9408333 | 29.89 | 1013 | 31717 |
| Hocaköy | city | Kocaeli Ili | Turkey | 41.05 | 30.2833333 | 305 | 31661 |
| Hocalar | city | Kocaeli Ili | Turkey | 40.95 | 29.95 | 967 | 31717 |
| Hıdırlar | city | Kocaeli Ili | Turkey | 40.95 | 30.25 | 328 | 29826 |
| Hızırlar | city | Kocaeli Ili | Turkey | 40.95 | 30.25 | 328 | 29826 |
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