The Masjid Agung Demak, the oldest continually സജീവ mosque on the island of Java, is one of the best പ്രതിനിധി ഘടനകൾ ആദ്യകാല ഇസ്ലാം മ. It is also the location of the tombs of the Sultans of Demak, one of the largest and most important kingdoms in Indonesia ' s history.