The crossword solution for the term 'City North of Cologne' is 'Essen', which is a city in Germany located in the state of North Rhine-Westphalia. It is situated about 25 miles north of Cologne, and is the ninth largest city in Germany with a population of over 590, 000 people. Essen is known for its industrial heritage, having been an important coal and steel center since the 19th century. It is also home to several universities and museums, making it a popular tourist destination.