They are a tribe who lived from Kuma County, Higo Province (around the present Hitoyoshi City, Kumamoto Prefecture, the upper reaches of the Kuma-gawa river) to Soo County, Osumi Province (around the present Kirishima City, Kagoshima Prefecture. It is a different area from the present Soo County, Soo City).
肥後国球磨郡（くまぐん。現熊本県人吉市周辺。球磨川上流域）から大隅国贈於郡（そおぐん。現鹿児島県霧島市周辺。現在の曽於市、曽於郡とは領域を異にする）に居住した部族である。