Solms-Braunfels was a County in what is today the federal Land of Hesse in Germany.Solms-Braunfels was a partition of Solms, ruled by the House of Solms, and was raised to a Principality in 1742. Solms-Braunfels was partitioned between: itself and Solms-Ottenstein in 1325; itself and Solms-Lich in 1409; and itself, Solms-Greifenstein and Solms-Hungen in 1592. Solms-Braunfels was mediatised to Austria, Hesse-Darmstadt, Prussia and Württemberg in 1806.