Abdul Qadir Gilani

Abdul Qadir Gilani (c. 1077 or 1078 – c. 1166) was a Hanbali scholar, preacher, and Sufi mystic leader who was the eponym of the Qadiriyya, one of the oldest Sufi orders.

He was born in c. 1077 or 1078 in the town of Na'if, Rezvanshahr in Gilan, Persia, and died in 1166 in Baghdad. His epithet, Gilani refers to his place of birth, Gilan, while the epithet, Baghdadi, referring to his residence and burial in Baghdad.