The Group A tournament began on 17 March 2003 in Tallinn, Estonia. Both Croatia and Estonia who missed promotion to Division I at the previous years World Championship returned to compete in this year's Division II tournament. Belgium, Bulgaria, South Korea and Spain all gained promotion to Division II from Division III following a restructure of the Division sizes which increased the number of teams in each group from four to six. South Korea won the tournament after winning all five of their games and gained promotion to Division I for the 2004 IIHF World U18 Championships. Estonia finished second losing only to South Korea and Croatia finished in third place. Bulgaria finished in last place after losing all five of their games and were relegated back to Division III for the 2004 IIHF World U18 Championships. Tomislav Grozaj of Croatia finished as the top scorer of the tournament with 27 points including 18 goals and nine assists. Thomas Tyson of Belgium finished the tournament as the leading goaltender based on save percentage.