Kocaeli
Kocaeli Province
Kocaeli University
Kocaeli Büyükşehir Belediyesi Kağıt Spor Kulübü
Kocaeli B.B. Ice Arena
Kocaeli, İvrindi
Çayırova, Kocaeli
Kocaeli Museum
Governor of Kocaeli
Kocaeli Büyükşehir Belediyesi Kağıt S.K. Men's Ice Hockey
Kocaeli Peninsula
Kocaeli Bayan FK
Gölcük, Kocaeli
Kocaeli Subregion
İzmit
Körfez
Kocaeli Stadium
Kartepe
List of municipalities in Kocaeli Province
Sanjak of Kocaeli
Körfez SK
Kocaeli (electoral district)
List of populated places in Kocaeli Province
Gökçeören, İzmit
Gebze
Cengiz Topel Naval Air Station
1999 İzmit earthquake