Abūʾl-Ḥusayn Yaḥyā ibn al-Ḥusayn ibn al-Qāsim ibn Ibrāhīm Ṭabāṭabā al-Ḥasanī, better known by his honorific title of al-Hādī ilāʾl-Ḥaqq, was a religious and political leader in the Arabian Peninsula.

Saada, located in the northwest of Yemen, is the capital and largest city of the governorate bearing the same name, as well as the administrative seat of the eponymous district. The city lies in the S