Fort Miami (Miamis) was a British fort built in spring 1794 on the Maumee River in what was at the time territory claimed by the United States, and designated by the federal government as the Northwest Territory. The fort was located at the eastern edge of present-day Maumee, Ohio, southwest of Toledo.The British built the fort to forestall a putative assault on Fort Detroit by Gen. "Mad" Anthony Wayne's army, then advancing northward in southwestern Ohio.