Zain Abdeen; One of the leaders of the Rifai sect, known in Kayseri as "Imam Sultan", built an inn, a mosque and a fountain in the same place where his grave is today, as he died in the city of Kayseri in 1414, and a modest mausoleum was built on the grave in the current location during the reign of Abdul Hamid II in the year 1886, which is a square plan structure covered with a dome and has three windows on each side. The sarcophagus of Zine Abdin is located in the center of the tomb.