is a subregion of Kyushu.
This northern region encompasses the prefectures of Fukuoka, Saga, Nagasaki, Kumamoto, and à Âita.
Before 1963, it was called North Kyushu (Kitakyà «shà «, Ã¥ÂÂä¹Âå·Â) until the city of Kitakyushu was formed. The city's name means "North Kyushu" in Japanese, so to avoid confusion, the region's name was changed.
It is the most urbanized and industrialized part of the Kyushu region.
For development analysis, the area is construed to include Yamaguchi Prefecture on Honshu. Although Yamaguchi is not part of Kyushu, it is a functional satellite of the .
The region is part of the Taiheiyà  Belt and comprises the .