Countries
The persons below are the main, long-term contacts for the SC in each country. (Addresses and e-mail addresses are also kept in the database, but these are not made public here.) IChO host countries will make their initial contact with these addresses.
Please make sure that these are correct in order to receive general communication about the IChO. If the long-term contact person or any other data for the country changes, please submit the changes via this form.Â
You can also find national olympiad and problem websites collected below.