Oregon

 was one of the states of the United States of America before the Great War. It was once a part of the Northwest Commonwealth, along with Northern California, Washington, Idaho, and Alaska.

Known places

 * Arroyo
 * Klamath (known as Klamath Falls before the War)
 * Toxic Caves

Appearances
The only game so far to partially take place in Oregon is Fallout 2.