The Euro Hockey League 2010/2011 was the fourth season of the Euro Hockey League, which is the most important club tournament in European field hockey. The competition was organised jointly by the European Hockey Federation and Dutch Media and Marketing agency Pro Sport, with Dutch Bank ABN AMRO being the presenting sponsor of the tournament. The competition witnessed five rounds taking place at four locations, with Rounds 1.1 and 1.2 (Pool Stages) taking place at Oranje Zwart and Atlètic Terrassa. HC Bloemendaal of the Netherlands hosts Rounds 2 & 3 (KO16 / KO8) of the competition, which are in the "Knock Out" format. The Semi Finals and Finals were played in The Hague. UHC Hamburg of Germany were the winners of the 2009 / 2010 competition.