Blaues Schloss -

: A medieval hilltop fortress that hosted the famous Marburg Colloquy in 1529 between Martin Luther and Ulrich Zwingli.

It is often listed as a highlight for hikers and cyclists in the Franconia region. 2. Blaues Schloss Publishing House (Marburg) Blaues Schloss

This is a prominent historical landmark located in the town of Obernzenn. It is part of a unique ensemble alongside the (Red Castle). : A medieval hilltop fortress that hosted the

: The building is a prime example of late-Baroque style. It is distinguished from the adjacent Rotes Schloss primarily by its facade color. Visiting : "Blaues Schloss" refers to

In academic and literary contexts, "Blaues Schloss" refers to , an independent publishing house based in Marburg, Germany.

The of the Blue Castle is accessible to the public via guided tours.