Williams County on the map of Ohio 2024. Cities, roads, borders and directions in Williams County of Ohio.

Williams County is located in the northwestern corner of Ohio. This outstanding county was named after David Williams (1754-1831), captor of spy John André during the Revolutionary War. The county seat of Williams County is Bryan. The county's area exceeds 421.74 square miles. Founded on Apr 1, 1820 from Darke County, today Williams County counts over 37 thousand inhabitants. This map shows the borders of Williams County as well as neighboring counties, including major highways and natural objecsts as of 2024. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Williams County.