1. The St-Tropez Citadel, also known as Citadelle de Saint-Tropez, is a historic fortress located in St-Tropez, France. The citadel was built in the early 17th century by King Louis XIV to protect the town and its port from naval attacks. It offers beautiful views of the Mediterranean Sea and the town of St-Tropez.

2. The working hours of the St-Tropez Citadel may vary depending on the season, so it is recommended to check the official website or contact them directly for the most up-to-date information. The phone number for the citadel is +33 4 83 95 44 20.

3. Ticket information and transportation to the St-Tropez Citadel:

- The entrance fee to the citadel is usually around 6-10 euros per person. Discounts may be available for students, seniors, and families.

- The citadel is located in the old town of St-Tropez, so it is easily accessible by foot or by car. There are parking areas nearby for those arriving by car.

- Visitors can also take a boat to St-Tropez and walk to the citadel from the port, enjoying the scenic coastal views along the way.