Tribe
Hawāzin
هوازن
Najd, eastern Hijaz · polytheism (pre-Islam)
A large Qaysite confederation. Includes the Banū Saʿd ibn Bakr (Ḥalīma al-Saʿdiyya, the Prophet's ﷺ wet nurse, was from this sub-tribe).
Sources: Wikipedia and classical Islamic biographical literature compiled by automated researchers.