LICHTENBERG, a principality of Germany, in the S. of Rhenish Prussia, and on the confines of Rhenish Bavaria. Area 232 square miles. The surface is mountainous and well wooded. It was ceded to Prussia by the Duke of Saxe-Coburg-Gotha, in 1834, for an annual rent of 80,000 dollars (L.11,583), and it now forms part of the government of Treves. The capital was St Wendel. Pop. about 38,000.