Saxony shares borders with, from the east and clockwise, Poland, the Czech Republic and the German states of Bavaria, Thuringia, Saxony-Anhalt and Brandenburg. Its capital is Dresden, and the other principal cities are Leipzig and Chemnitz. The main axis of Saxony is the Elbe river, crossing the state from southeast to northwest. Another important river, west of the Elbe, is the Mulde. The Lusatian Neisse river forms the Polish border. The portions in the east of Saxony are the southern parts of the historical region of Lusatia (Lausitz/Luzica) and are called Upper Lusatia the minority Sorbs live in the region, which is partially bilingual today.