Rockville

Rockville was a city in Maryland. It is approximately 10-15 miles to the northwest of the Washington, D.C. border. It is in between D.C. and Germantown, a place that is featured in the game, although no trace can be found of Rockville.

Background
Martha Wilson claims that Andale has beaten Rockville every single year since the war in the "City of the Year" contest.

Mentions
Rockville is only mentioned in Fallout 3.

Behind the scenes
Bethesda Softworks is currently headquartered in Rockville, after moving from Bethesda.