The 2005 Men's Ice Hockey Championships were held March 7 - May 15, 2005, in 7 cities in 6 countries: Vienna and Innsbruck, Austria (Championship); Debrecen, Hungary (Division I - Group A); Eindhoven, the Netherlands (Division I - Group B); Zagreb, Croatia (Division II - Group A); Belgrade, Serbia and Montenegro (Division II - Group B); Mexico City, Mexico (Division III). It was a major professional tournament, because of the 2004 NHL labor dispute. This international event was run by the International Ice Hockey Federation (IIHF). The championship was won by the Czech Republic.