BASF SE, an initialism of its original name Badische Anilin- und Sodafabrik, is a European multinational company and the largest chemical producer in the world. Its headquarters are located in Ludwigshafen, Germany.

Ludwigshafen, officially Ludwigshafen am Rhein, is a city in the German state of Rhineland-Palatinate, on the river Rhine, opposite Mannheim. With Mannheim, Heidelberg, and the surrounding region, it forms the Rhine Neckar Area.