Witten is a city with almost 100,000 inhabitants in the Ennepe-Ruhr-Kreis in North Rhine-Westphalia, Germany. Witten is situated in the Ruhr v…Witten is a city with almost 100,000 inhabitants in the Ennepe-Ruhr-Kreis in North Rhine-Westphalia, Germany. Witten is situated in the Ruhr valley, in the southern Ruhr area. Witten is divided into eight boroughs and each borough is further divided into two or more city-districts.