The term 'Essen' is a city in Germany. It is located in the state of North Rhine-Westphalia and is the ninth largest city in the country. It is known for its industrial heritage, having been an important coal and steel center since the 19th century. Today, Essen is a major cultural and economic hub in the Ruhr region, with a variety of industries, including automotive, energy, and technology. It is also home to several universities and museums, making it a popular tourist destination.