大理市
Sayyid Ajall would also be the first to bring Islam to the area, and thus the widespread presence of Islam in Yunnan is credited to his work. Both Marco Polo and Rashid al-Din Vatvat recorded that Yunnan was heavily populated by Muslims during the Yuan Dynasty, with Rashid naming a city with all Muslim inhabitants as the "great city of Yachi." It has been suggested that Yachi was Dali City ("Ta-li"), which had many Hui Muslim people.