Shaykh al Islam Imam Awzaai was from Subcontinent i.e. Sindh.
It is narrated that he was born in بعلبك, There is a ikhtilaf about his origins, he was not a tribal Arab, rather someone from the progeny of the Sabaaya – the captured war prisoners who were brought as slaves.
adh-Dhahabi said he was originally from Sindh.
وأصله من سبي السند
Tadhkiratul Huffaz by adh-Dhahabi 1/178
Muhammad Ishaq Bhatti said:
It is narrated that When he went to ash-Sham from Sindh, he lived in a small village near Damascus with the name of Awza due to which he is called al Awzaai.
(Barre Sagheer me Islam k Awwaleen Nuqush page 211)