The Rhenish Republic is a nationstate headquartered in the Rhineland, stretching over Alsace-Lorraine, Luxembourg, Eastern Belgium, parts of the North German Coast, Northwest Germany, and the Rhineland. This, of course, is just the Core Republic of the Rhenish Republic, with many, many more 'republics' inside of the Rhenish Republic. With many colonies around the Milky Way, it is a power to be reckoned with.
It is lead by a Chancellor who is elected every five years by the Assembly of Republics.