Solms-Hohensolms-Lich was at first a County and later Principality with Imperial immediacy in what is today the federal Land of Hessen, Germany.
The Imperial county was originally created in 1718 as a union of the counties of Solms-Hohensolms and Solms-Lich for Count Friedrich Wilhelm zu Solms-Hohensolms-Lich (1682-1744).
It was raised to a Principality of the Holy Roman Empire in 1792 for Prince Karl Christian zu Solms-Hohensolms-Lich (1725-1803).
Solms-Hohensolms-Lich was mediatised to Austria, Hesse-Darmstadt, Prussia and Württemberg in 1806.
Princess Eleonore of Solms-Hohensolms-Lich, daughter of Hermann, 5th Prince, wed Ernest Louis, Grand Duke of Hesse, becoming a Grand Duchess.