Most county names come from a county or place in real life.

Although outdated, this shows where county names came from in Fictonia, and a majority were from real life counties or locations.

Carbon and the state of Fictonia have 2 land borders.

It's well known that there's a border with Carbon and the state of Fictonia in NW Fictonia at Corvallis and Albany. However, at North Inlet, Fictonia, northeast of Fort Ashland, there is a small strip of land that crosses into Carbon.