Ladenburg is a town in the district of Rhein-Neckar-Kreis, in Baden-Württemberg, Germany. It is situated on the right bank of the Neckar, 10 km east of Mannheim, and 10 km northwest of Heidelberg.
It has an old town from the Late Middle Ages. Its history dates back to Celtic and Roman ages.
Ladenburg is located on Bertha Benz Memorial Route.