The Mausoleum of Momine Khatun is a historical monument located in Nakhchivan, Azerbaijan. Built in the 12th century, it serves as a tomb for Momine Khatun, the wife of Shams al-Din Eldiguz, a prominent ruler of the region. The mausoleum is renowned for its stunning architectural design, featuring intricate stone carvings and a unique dome structure. This mausoleum is an important example of Azerbaijani medieval architecture and reflects the artistic styles of its time. It is part of the UNESCO World Heritage site and attracts visitors interested in history and culture. The site is also significant for its connection to the Eldiguzid dynasty.