The largest Moslem population in a country is in Indonesia, followed by Pakistan, India and Bangladesh. Thefore there are many Kingdom of Islam’s Heritage in Indonesia especially in this city called Special Region of Yogyakarta. In Yogyakarta, sultan with his royal kingdom still live in a palace.
This super majestic place used to be an underground mosque used by the Sultan’s family to do religion duty. Sumur Gumuling or Gumuling Well is a round building that having some chambers inside the building. At the top of the building, there are 5 stairs that symbolize 5 principals in Islam