1. Buda Castle (Budai Vár) is a historic castle complex located in the heart of Budapest, Hungary. It was built in the 13th century and has been the residence of Hungarian kings and queens throughout the centuries. The castle complex includes several buildings, such as the Royal Palace, the Matthias Church, and the Fisherman’s Bastion. It also houses several museums, including the Hungarian National Gallery and the Budapest History Museum. Some interesting facts about Buda Castle include: it was heavily damaged during World War II and was reconstructed in the post-war period, it is a UNESCO World Heritage Site, and it offers stunning views of the Danube River and the Pest side of the city.

2. The working hours of Buda Castle vary by season and by attraction. Generally, the castle complex is open to visitors every day from 10 am to 6 pm. The Royal Palace, the Budapest History Museum, and the Hungarian National Gallery have their own schedules and are closed on certain days. The phone number for general information about Buda Castle is +36 1 458 3000.

3. Ticket prices for Buda Castle also vary by attraction, and there are various ticket options available. For example, a combined ticket for the Royal Palace, Matthias Church, and the Fisherman’s Bastion costs 4000 HUF (about 13 USD) for adults and 2000 HUF (about 6.50 USD) for students. Entry to the Hungarian National Gallery costs 3000 HUF (about 10 USD) for adults and 1500 HUF (about 5 USD) for students. Entry to the Budapest History Museum costs 2000 HUF (about 6.50 USD) for adults and 1000 HUF (about 3.50 USD) for students. Additionally, there is a free walking tour of the Buda Castle area available every day at 2 pm, departing from the main gate. Buda Castle can be reached by various means of transportation, including the funicular railway, bus, and walking.