Vallonia is an unincorporated community and census-designated place (CDP) in Driftwood and Brownstown townships, Jackson County, Indiana, United States.

Governor General William Henry Harrison ordered a fort built as well as a number of other defensive structures including a large stockade, garrison, blockhouses, and a spring.

[5] One of the companies of Indiana Rangers was newly organized, and set out to investigate claims of a Native American war party near Brownstown.

The force destroyed the deserted village, which had been heavily fortified by Tecumseh, but covered 500 miles (800 km) without encountering a single Native American.

[8] Vallonia is located in southwestern Jackson County on the southeast side of the valley of the East Fork of the White River.