no, just everybody that controls these cities will got hated by several other owners of important cities (the central city is Sunda Kelapa, the most important trade ports in Indonesia...), the 4 cities flank that is Majapahit, Melaka, Kutaraja, and Demak, the last circle is Pakuan, Tanjungpinang (the most important mining region), Palembang, and Jambi