The German port cities of BREMEN and Emden are located in the northern part of the country. BREMEN is a city-state with a population of over 550, 000 and is the tenth largest city in Germany. It is a major port and industrial center, as well as a cultural hub. Emden is a smaller port city with a population of around 50, 000. It is known for its shipbuilding industry and is a popular tourist destination. Both cities are important trading centers and have been since the Middle Ages.