Kleve (ˈkleːvə; traditional Cleves kliːvz ; Kleef; Clèves; Cléveris; Clivia; Low Rhenish: Kleff) is a town in the Lower Rhine region of northwestern Germany near the Dutch border and the River Rhine. From the 11th century onwards, Cleves was capital of a county and later a duchy. Today, Cleves is the capital of the district of Kleve in the German state of North Rhine-Westphalia. The city is home to one of the campuses of the Rhine-Waal University of Applied Sciences.
In addition to the inner city, the territory of Kleve comprises fourteen villages and populated places:
Bimmen, Brienen, Donsbrüggen, Düffelward, Griethausen, Keeken, Kellen, Materborn, Reichswalde, Rindern, Salmorth, Schenkenschanz, Warbeyen and Wardhausen.
The name Kleff probably derives from Middle Dutch clef, clif 'cliff, bluff', referring to the promontory on which the Schwanenburg castle was constructed. Since the city's coat of arms displays three clover leaves (German Klee, Low German Kliev), the city's name is sometimes linked by folk etymology to the clover, but the corresponding Dutch word is klaver.
The Schwanenburg Castle, which was the residence of the Dukes of Cleves, stands on a steep hill. It is located at the northern terminus of the Kermisdahl where it joins with the Spoykanal, which was previously an important transportation link to the Rhine. The old castle has a massive tower, the Schwanenturm high, that is associated in legend with the Knight of the Swan, immortalized in Richard Wagner's Lohengrin.
Medieval Kleve grew together from four parts – the Schwanenburg Castle, the village below the castle, the first city of Kleve on Heideberg Hill, and the Neustadt ("New City"), dating from the 14th century. In 1242 Kleve received city rights. The Duchy of Cleves, which roughly covered today's districts of Kleve, Wesel and Duisburg, was united with the Duchy of Mark in 1368, was made a duchy itself in 1417, then united with the neighboring duchies of Jülich and Berg in 1521, when John III, Duke of Cleves, married Mary, heiress of Jülich-Berg-Ravenburg.