The Teutonic Order, or the German Order, formed an independent state in the Baltics and Prussia between the 13th and 16th centuries, having outgrown its origin in the Levant. Much of the Order's history was characterised by conflicts with the Polish and the Lithuanians.
This is a pretty simple question.
The lands owned and ruled by the Teutonic Knights within Germany were certainly part of the Holy Roman Empire.
Were the lands of the Teutonic Knights in the Baltic ...