Where can I find Tiles in Römerberg?

Tiles can also be found in these cities:

Bruchsal Brühl Dettenheim Eppelheim Germersheim Heidelberg Hockenheim Karlsdorf-Neuthard Ladenburg Leimen Ludwigshafen am Rhein Mannheim Neuhofen Neustadt an der Weinstraße Rülzheim Sankt Leon-Rot Schifferstadt Schriesheim Speyer Ubstadt-Weiher Waldsee

You can also find this in Römerberg:

Sanitary Battery Vacuum Cleaner Bathtub Folding Wall Building Supplies Bitumen Office Lighting Wire Fence Small Electrical Appliances Tile Varnish