古マタラム王国
In the first era of Hindu-Buddhist in Indonesia, Banyumasan region divided into Tarumanagara Kingdom's influence in the west and Kalingga Kingdom's influence in the east with Cipamali river or "Kali Brebes"" as natural borders. The other Hindu-Buddhist Kingdoms that influenced this region is Galuh Kingdom, Medang Kingdom, Kediri Kingdom, Singhasari Kingdom and Majapahit Empire. After the decline of Majapahit, Banyumasan region become part of Demak Sultanate.