Hesse

1 region of west central Germany north of Baden-Württemberg, divided into Hesse–Darmstadt (in the south) and Hesse–Casselplay \-ˈka-s^əl, -ˈkä-\ (in the north) ◆Hesse-Cassel was united with Prussia in 1866 as part of the province of Hesse–Nassau along with the duchy of Nassau and the city of Frankfurt am Main.

2 state of the Weimar Republic, equivalent to Hesse-Darmstadt

3 state of Germany and formerly of West Germany including the larger part of Hesse-Darmstadt and part of Hesse-Nassau; capital Wiesbaden area 8151 square miles (21,111 square kilometers), population 5,971,816