The term 'Loire-Atlantique Capital' refers to the capital of the French department of Loire-Atlantique, which is Nantes (6 letters). Nantes is a city located in the western part of France, on the Loire River and close to the Atlantic Ocean. It is the sixth largest city in France and has a population of over 300, 000 people. Nantes is known for its rich history, culture, and architecture, as well as its vibrant nightlife.