Western Engelain is the geographical location defined as everything west of the Great Plains. Western Engelain is constrained to north, west and south by waters, and any surrounding islands such as Haydrea are also counted as being part of Western Engelain.

For the most part, Western Engelain is synonymous with the thirteen Free Kingdoms that dominate the political landscape, but also contains within it countless petty kingdoms, and north of the Free Kingdoms there are the oft-overlooked gnomic cities.

Western Engelain is mainly inhabited by humans and gnomes, but also commonly found are fairies, pixies, brownies, leprechauns, sprites and nymphs. The forest of Myrkviðr, renowned for hosting the largest hag coven known to Engelain, is also situated on the eastern border of Western Engelain.