1. Rajadamnern Stadium is the oldest and one of the most prestigious Muay Thai stadiums in Thailand. Located in the heart of Bangkok, it has a capacity of around 8,000 people. Muay Thai fights are held every Monday, Wednesday, Thursday, and Sunday night. The stadium is known for its unique atmosphere and memorable fights. Some interesting facts about the stadium include:

- The first fight at Rajadamnern Stadium took place in 1945.

- The stadium has undergone several renovations over the years, including a major renovation in 2014 that added a new seating area and modern facilities.

- The stadium is home to many legendary Muay Thai fighters who have competed there over the years, including Saenchai, Samart Payakaroon, and Dieselnoi Chor Thanasukarn.

2. The stadium is open every day from 9am to 5pm. The phone number for the stadium is +66 2 281 4205.

3. Tickets for fights at Rajadamnern Stadium can be purchased at the stadium or through online ticketing websites. Prices vary depending on the seating area and the popularity of the fight, but generally range from 1,000 Baht ($33) to 2,000 Baht ($66) per person. The stadium is located in central Bangkok and can be reached by taxi or public transportation. The closest BTS Skytrain station is National Stadium, which is about a 20-minute walk from the stadium.