Hi! Like last year, I decided to make a blog with all the information we know about the 2026 OIs.

Note that text in italics is unofficial.

Like last time, please share the info you know (websites, locations, dates etc.) in the comments. Thanks in advance to everyone who contributes!

International

Location: Tashkent, Uzbekistan
Dates: August 9-16, 2026
Official site: https://ioi2026.uz

Location: Neamț, Romania
Dates: May 23-28, 2026
Schedule: https://iio.team/schedule

Europe

Location: Cesenatico, Italy
Dates: May 12-18 2026
Official site: https://egoi2026.it
EGOI stats: https://stats.egoi.org/editions/2026

Location: Espoo, Finland
Dates: April 15–19, 2026
Official site: https://boi2026.cses.fi

Location: Podgorica, Montenegro

Location: Slovenia

Location: Lithuania
Dates: July 24-30 2026

Location: Sarajevo, Bosnia and Herzegovina

Rev.	Кто	Когда	Δ	Комментарий
en10	mariza_CY	2026-03-21 08:05:43	37	Tiny change: 'egovina\n\n---\n' -> 'egovina\nDates: September 21-27 2026\n\n---\n'
en9	mariza_CY	2026-02-17 18:06:20	112	Tiny change: ';🇹 \n\nLoca' -> ';🇹🇺🇦\n\nLoca'
en8	mariza_CY	2026-02-12 17:48:09	181
en7	mariza_CY	2026-01-27 21:01:00	178	Tiny change: ' 🌐-🇹&' -> ' 🌐🇹&'
en6	mariza_CY	2026-01-22 09:21:06	65	Reverted to en4
en5	mariza_CY	2026-01-09 15:44:42	65
en4	mariza_CY	2026-01-09 14:44:47	302	Tiny change: ' 🌐 🇹&' -> ' 🌐🇹&'
en3	mariza_CY	2026-01-03 09:24:04	162	Tiny change: 'ation:** Lithuania' -> 'ation:** * Kaunas, Lithuania*'
en2	mariza_CY	2025-12-30 18:04:42	157	Tiny change: '5–19, 2026\nOffici' -> '5–19, 2026 \nOffici'
en1	mariza_CY	2025-12-30 16:17:29	1194	Initial revision (published)