The Australian Open is a tennis tournament organized by Tennis Australia annually at Melbourne Park in Melbourne, Victoria, Australia. It is chronologically the first of the four Grand Slam tennis events every year, held before the French Open, Wimbledon and the US Open. The Australian Open starts in the middle of January and continues for two weeks, coinciding with the Australia Day holiday. It features men's and women's singles, men's, women's, and mixed doubles, juniors’ championships, wheelchair, legends, and exhibition events.
https://en.wikipedia.org/wiki/Australian_Open