Based on available records, there is no geographical location or municipality identified as the city of Okino in the Kumamoto region of Japan. The term "Okino" does not correspond to a recognized city or administrative district within that prefecture.
The name Okino is primarily documented as a Japanese surname. Individuals bearing this name include Hitoshi Okino, who is identified as a Japanese footballer and manager, and Masaki Okino, another Japanese footballer.