* If you're referring to the city of Baden-Baden: There's no single Arabic translation, as the name is specific to that city. You'd need to explain the context and use a descriptive phrase like "مدينة بادن بادن" (Madīnat Bāden Bāden), which means "the city of Baden-Baden".
* If you're referring to "baden" as in "taking a bath": The Arabic translation would be "الاستحمام" (al-istiḥmām).
* If you're referring to "baden" as in "bathing in sunlight": The Arabic translation would be "التشمّس" (at-tašammus).
To get a more accurate translation, please provide more context about the specific meaning of "Baden" in your case.