The Australian Open is one of the four major tennis tournaments known as the Grand Slam. It takes place annually in Melbourne, Australia, usually in January. The event features men's and women's singles, doubles, and mixed doubles competitions, attracting top players from around the world. First held in 1905, the Australian Open has grown in popularity and prestige over the years. It is played on hard courts, specifically the Plexicushion surface, which provides a fast-paced game. The tournament is known for its vibrant atmosphere and is a key event in the professional tennis calendar.