The 2011 Australian Open was the 99th edition of the Australian Open. It was held at Melbourne Park, in Melbourne, Victoria. The tournament was an event run by the International Tennis Federation (ITF). It was part of the 2011 ATP World Tour and the 2011 WTA Tour calendars. The tournament consisted of men's and women's singles and doubles draws as well as a mixed doubles event. There was also singles and doubles events for boys and girls (players under 18). The tournament was part of the Grade A group of tournaments of the junior tour. There was also events for wheelchair tennis players (they competed in three categories: men, women and quadipedic) as part of the NEC tour. The tournament was played on hard courts. The three biggest courts used were the Hisense Arena, the Margaret Court Arena and the Rod Laver Arena.