Milledgeville is a city in and the county seat of Baldwin County in the U.S. state of Georgia. It is northeast of Macon and bordered on the east by the Oconee River. The rapid current of the river here made this an attractive location to build a city. It was the capital of Georgia from 1804 to 1868, including during the American Civil War. Milledgeville was preceded as the capital city by Louisville and was succeeded by Atlanta, the current capital. Today U.S. Highway 441 connects Milledgeville to Madison, Athens, and Dublin.

As of April 1, 2020, the population of Milledgeville was 17,070, down from 17,715 at the 2010 U.S. census.

Milledgeville is along the route of the Fall Line Freeway, which is under construction to link Milledgeville with Augusta, Macon, Columbus, and other Fall Line cities. They have long histories from the colonial era of Georgia.

Milledgeville is the principal city of the Milledgeville micropolitan statistical area, a micropolitan area that includes Baldwin and Hancock counties. It had a combined population of 52,534 at the 2020 census. The Old State Capitol is located here; it was added to the National Register of Historic Places (NRHP). Much of the original city is contained within the boundaries of the Milledgeville Historic District, which was also added to the NRHP.