The Nuremberg Tourist Information Office is modern and large building designed to provide general and cultural information about the city. It's located in front of the station and below the medieval round tower. Opening hours are from Mon-Sat 9-19:00 and Sun 10-16.00.
There's another office in the Hauptmarkt with longer opening hours: Mon-Sat 9-18:00 May to October and Sun from 10-16:00. During the Christmas Market, it opens Mon-Sat. 9-19:00 and Sun 10-19:00. They give out free maps.