The octagonal tomb of Gul Baba built under Ottoman rule between 1543 and 1548 for years by order of the third Pasha of Buda near the Margaret bridge. Tomb has a flat dome, covered with lead plates and wooden tiles. During the second battle of Will in 1686 when the Habsburgs tomb miraculously remained intact, but was turned into a chapel by the Catholic Jesuits, who renamed it to the Chapel of St. Joseph.

When the land on which lies the dust of Gul Baba came into the ownership of Janos Wagner, he was allowed access to this Shrine the Muslims who made pilgrimages in Going from the Ottoman Empire. In 1885, the Ottoman government instructed the Hungarian engineers to restore the tomb and when the work was completed in 1914, it was declared a national monument. The tomb was restored in the 1960s, and in 1990-ies has been re-restoration. Currently, the Tomb of gül Baba is the property of the Republic of Turkey.