High Quality Content by WIKIPEDIA articles! Machias is a town which is most famous for the role it had in the American Revolution. Machias is in and the county seat of Washington County, Maine, United States. As of the 2000 census, the town population was 2,353. It is home to the University of Maine at Machias and Machias Valley Airport, a small public airport owned by the town. The word Machias roughly translates to "bad little falls" in Passamaquoddy. Located on the Machias River in downeast Maine, it was settled in 1763 by settlers from Scarborough.