Please note that teams from the countries/regions listed below must apply to the regional competitions in order to qualify for the International Rounds in Oxford.  Teams from all other countries may apply directly to the International Rounds.

Americas Rounds:

Latin America, the United States, the Caribbean and Canada.

Asia-Pacific Rounds:

China, Japan, Korea, Mongolia, Philippines.

Middle East Rounds:

Afghanistan, Algeria, Bahrain, Egypt, Iran, Iraq, Jordan, Kuwait, Lebanon, Libya, Morocco, Oman, Qatar, Saudi Arabia, Syria, Tunisia, United Arab Emirates and Yemen.

North East Europe Rounds:

Ukraine, Belarus, Lithuania, Latvia, Estonia, Poland, Russia, Georgia, Armenia, Azerbaijan and Kazakhstan.

South Asia Rounds:

Bangladesh, India, Iran, Nepal, Pakistan and Sri Lanka.

South East Europe Rounds:

Albania, Bosnia and Herzegovina, Bulgaria, Croatia, Greece, Hungary, FYR Macedonia, Moldova, Montenegro, Romania, Serbia, and Slovenia.