who, among the following, hosted the congress at vienna in 1815.

The Congress of Vienna in 1815 was hosted by Austrian Chancellor Duke Klemens von Metternich. He chaired the conference held in Vienna from November 1814 to June 1815, where representatives of the major European powers—Austria, Britain, Russia, Prussia, and France—met to redraw the political map of Europe after the defeat of Napoleon Bonaparte. Metternich played a central role in managing the negotiations and social aspects of the Congress, aiming to establish a balance of power that would ensure long-term peace in Europe