 The border of the Sunda kingdom in the west is Sunda Strait and in the east is Cipamali river (present day kali Brebes) and Cisarayu river (present day Serayu River) in Central Java Province.At this time Muara Jati was located around 14 kilometres north from modern Cirebon.The transformation from small Hindu coastal fishing village into thriving Muslim port began with the rule of Ki Gedeng Tapa.