Saint-Nazaire is a coastal city located in the Loire-Atlantique department of western France. It lies at the mouth of the Loire River and is known for its significant port, which is one of the largest in France. The city has a rich maritime history and is famous for its shipbuilding industry, particularly during the 20th century. In addition to its industrial background, Saint-Nazaire is also a popular tourist destination. Visitors can explore attractions such as the Escal'Atlantic, a museum dedicated to ocean liners, and the U-Boat Pens, which are remnants from World War II. The city's beaches and coastal scenery further enhance its appeal.