Upper Austria is one of the nine states or Länder of Austria. Its capital is Linz. Upper Austria borders Germany and the Czech Republic, as well as the other Austrian states of Lower Austria, Styria, and Salzburg. With an area of 11,982 km² (4,626 sq mi) and 1.49 million inhabitants, Upper Austria is the fourth-largest Austrian state by land area and the third-largest by population.