Schillerplatz is a square in the old city centre of Stuttgart, Germany named in honour of the German poet, philosopher, historian, and dramatist Friedrich Schiller. Schillerplatz stands to the south west of Stuttgart's main square, Schlossplatz. Starting in the south west corner, Schillerplatz is surrounded by the Stiftskirche (Collegiate Church), the Fruchtkasten building, the Prinzenbau (which now houses the Baden-Württemberg Ministry of Justice, the Alte Kanzlei (Old Chancellery) and Altes Schloss (the Old Castle).A street market takes place twice a week on Schillerplatz. The square is also used for major events taking place on Marktplatz (Stuttgart's Market Square) such as the annual Christmas Market. Hidden underneath Schillerplatz's cobblestones is an underground car park.The late Gothic Fruchtkasten building in the corner of Schillerplatz is now used by the State Museum of Württemberg to house a collection of musical instruments.