The Free State of Northern California lies north of Withmore City. Its northern border meets the North Pacific Economic Commonwealth, while the Free State of Nevada lies to the east. The Pacific Ocean forms its western boundary.
In June 2030, political turmoil over water rights led Northern California to secede from the United States. Disputes over reservoirs, river diversions, and agricultural water allocations had grown into a wider struggle over federal authority.
The far-right government in Washington chose not to prevent the separation, considering the departure of the predominantly liberal region politically advantageous. The breakaway territory became the Free State of Northern California.