Ludwigsburg is a district (Kreis) in the middle of Baden-Württemberg, Germany. Neighboring districts are (from north clockwise) Heilbronn, Rems-Murr, the district-free city Stuttgart, and the districts Böblingen and Enz.

Ludwigsburg is a city in Germany, about 12 km north of Stuttgart's city center, near the river Neckar. It is the capital of the Ludwigsburg District (its largest city having at present ca 87,000 inhabitants), and belongs to the Stuttgart Region in the Administrative region (Regierungsbezirk) of Stuttgart.