Lower Austria (German: Niederösterreich; Austro-Bavarian: Niedaöstareich, Niedaestareich) is one of the nine states of Austria, located in the northeastern corner of the country. Since 1986, the capital of Lower Austria has been Sankt Pölten, replacing Vienna which became a separate state in 1921. With a land area of 19,186 km2 (7,408 sq mi) and a population of 1.685 million people, Lower Austria is the second most populous federal state (after Vienna). Other large cities are Amstetten, Klosterneuburg, Krems an der Donau and Wiener Neustadt.