| • | Koga (古賀市; -shi) is a city located in Fukuoka, Japan.
As of 2003, the city has an estimated population of 56,205 and the density of 1,334.72 persons per km². The total area is 42.11 km².
The city was founded on October 1, 1997.
Source: [wikipedia: koga, fukuoka]
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