1. The National Art Gallery of Siena, also known as the Pinacoteca Nazionale Siena, is a famous art museum located in the city of Siena, Italy. It is located within the Palazzo Buonsignori, a historic Renaissance palace.

- The museum displays an impressive collection of artwork from the Sienese school, as well as other Italian masterpieces from the 13th to the 18th centuries.

- One of the highlights of the museum is the collection of Gothic and Renaissance paintings, including works by Duccio di Buoninsegna, Simone Martini, and Ambrogio Lorenzetti.

- The museum also houses religious artifacts, sculptures, and decorative objects, providing a comprehensive overview of Sienese art and culture throughout the centuries.

2. The working time of the National Art Gallery of Siena is as follows:

- Tuesday to Sunday: 10:30 AM to 6:30 PM (last admission at 6 PM)

- Closed on Mondays

The museum does not have a specific phone number for inquiries. However, you can contact the Siena tourist office at +39 0577 292107 for more information about the museum.

3. Ticket Information and Transportation:

- Entry to the National Art Gallery of Siena requires a ticket, which can be purchased at the museum entrance or online in advance. The ticket prices vary depending on the season and any temporary exhibitions. Discounts are available for students, seniors, and groups.

- The museum is conveniently located in the historic center of Siena, making it easily accessible by foot or public transportation. A variety of buses serve the city, and the museum is just a short walk from the main bus terminal in Piazza Gramsci.

- If arriving by car, it is recommended to park in one of the parking areas outside the city walls and take a bus or walk into the center to avoid traffic restrictions. The closest parking area is at Stazione Auto e Moto (Parcheggio Stazione Auto e Moto), located near the train station.