The Sultanate of Cirebon (Indonesian: Kesultanan Cirebon, Sundanese: Kasultanan Cirebon) was an Islamic sultanate in West Java founded in the 15th century. It is said to have been founded by Sunan Gunungjati, marked by his letter proclaimed Cirebon's independence from Pajajaran in 1482, although the settlement and the polity had been established earlier in 1445. Sunan Gunungjati also established the Sultanate of Banten. It was one of the earliest Islamic states established in Java, around the same period with the Sultanate of Demak.