The Forschner settlement on the Federsee Lake, near Bad Buchau, district of Biberach, Baden-Württemberg, Germany.
This is a painting of what the castle would have looked like in the middle ages. Look at how busy it is, castles were not just built to defend an area, they were also important centres for trade and government. If you look at the painting you can see where wooden buildings would have been inside the castle. These would have included a blacksmiths, stables, grain stores, and the great hall.