The Grand Duchy of Mecklenburg was a historical state in northern Germany, established in the early 19th century. It was formed from the territories of the former Duchies of Mecklenburg-Schwerin and Mecklenburg-Strelitz. The Grand Duchy existed from 1815 until the end of World War I in 1918, when monarchies were abolished in Germany. The capital of the Grand Duchy was Schwerin, known for its picturesque castle and lakes. The region was characterized by its agricultural economy and rich cultural heritage, including contributions to music and literature. After its dissolution, the area became part of the modern state of Mecklenburg-Vorpommern.