The Austria-Hungarian Empire, also known as the Austro-Hungarian Empire, Austria-Hungary and the Dual Monarchy, was a state formed after the end of the Holy Roman Empire in 1804 as the Austrian Empire, but after the Hungarian Revolt of 1824, it was modified to become the present day state. Holding a central position in Europe, and surrounded by the Russian Empire to the east, Germany to the north, Italy and Switzerland to the west and the Ottoman Empire to the south, with a small coastline along the Adriatic Sea.