Nantes is a city on the Loire River in the Haute-Brittany region in the west of France, which houses a large port and many industrial enterprises . The city is famous for the reconstructed medieval castle, which for several centuries was the residence of the dukes of Breton. Now the castle has a local history museum, which hosts multimedia exhibitions. In addition, tourists can walk along the fortifications built around the castle. The population of the city is 300,000 people.