Pathfinder: Kingmaker

From the introduction:

Nestled between Rostland and Brevoy to the North, Mivon to the South, and the chaotic River Kingdoms to the Southwest, there lies a region of largely untamed wilderness that more than one nation considers rightfully theirs - but that none to date have been able to gain control over for long. But though realms beyond count have sprung up and faded to nothing for centuries in the region now known as the ‘Stolen Lands’, such things are about to change...