Fukuoka Prefecture Koga has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall.

After the Meiji restoration, the villages of Ogōri and Aoyagi were established on May 1, 1889 with the creation of the modern municipalities system.

Koga has a mayor-council form of government with a directly elected mayor and a unicameral city council of 19 members.

In terms of national politics, the city is part of the Fukuoka 4th district of the lower house of the Diet of Japan.

JR Kyushu - Kagoshima Main Line This Fukuoka Prefecture location article is a stub.