40.71903 29.78987 17 Europe/Istanbul Marmara Region 123 E881 E881 41950 Marmara Region TR Kocaeli Turkey 40.71890 29.78950 0.034 0.9 Kocaeli TR Marmara Region Marmara Region Marmara Region Turkey 41950 123 E881 40.71890 29.78950 0.034 0.9 IZMIT-CFIBM YALIRE-CFIBM 8452257435790 6 administrative Гёльджюк Gölcük TR41-districts boundary 66 administrative Гёльджюк Gölcük TR41-districts boundary E881 D130 40.71903 29.78987 0.034 Kocaeli Marmara Region 41950 123 E881 40.71903 29.78987 Gölcük Marmara Region 41950 123 E881 40.71903 29.78987 Kocaeli Marmara Region 41950 123 E881 0.034 40.71903 29.78987