Narrated Abu Hurairah:
that the Messenger of Allah (ﷺ) said: "Leadership is among the Quraish, and reasoning and judgment is among the Ansar, and the Adhan is among the Ethiopians, and the trust is among the Al-Azd." meaning Yemen. (ES)
English reference (ES): Vol. 1, Book 46, Hadith 3936 (ES)
Arabic reference (ES): Book 49, Hadith 4315 (ES)