The Eros Center located in Heidelberg provides 20 - 30 girls. At their homepage you can see some pictures of the prostitutes.
Angelina's Paradise is located in the industrial area south Rohrbach, Heidelberg. There are daily 5 ladies in the brothel which are also posted on the homepage.
The Villa Royal is located at Redtenbacherstr. 5, Freiburg. They have daily up to 5 girls and can be checked on their website.