Shahshahan Mausoleum is a historical mausoleum in Isfahan, Iran. It is located beside Jameh mosque and is the burial place of a famous Sufi of Isfahan, Shah Alaeddin Mohammad. According to the date of Shah Alaeddin’s death, which was in the December 1446, the mausoleum was built between 1446 and 1448. Inside and outside of the mausoleum is decorated by calligraphy, plasterwork and tiling. Its dome, which had been destroying in the recent years, has been rebuilt, but the mausoleum is still in dire need of more repair work.