Dortmund
Dortmund, in western Germany in North Rhine-Westphalia, is the largest city in the Ruhr region, with more than 590 thousand inhabitants. Known for its heavy industry, it is also an important financial and commercial centre. The city takes pride in a rich history reaching back to the 9th century, when it appeared under the name Throtmanni. Its many museums and research institutes are worth exploring. The best time to visit is spring and autumn, when temperatures are moderate and the city is full of cultural events.
