What is rosenthaler?

Without more context, it is unclear what specifically is being referred to as "Rosenthaler." However, there are a few possibilities:

• Rosenthaler Platz: This is a public square in Berlin, Germany. It is a busy intersection and transportation hub, with several tram and subway lines passing through. The area is known for its nightlife, with many bars and clubs located nearby.
• Rosenthaler Porcelain: This is a high-end brand of porcelain and glassware founded in Germany in 1879. They produce a wide range of products, including dinnerware, vases, figurines, and more. The brand has been owned by several different companies over the years, and is now part of the Arzberg-Porzellan group.
• Rosenthaler Hof: This is a historic hotel in Landau, Germany. It was originally built in the 16th century as a monastery, and later converted into a hotel. It is located in the center of the town, and offers comfortable rooms and a restaurant serving regional cuisine.