The winner to host the WTC2023 is Greece! The final voting result: Greece 33 vs Turkey 14. The theme will be EXPANDING UNDERGROUND - Knowledge & Passion to Make a Positive Impact on the World. To learn more about the host city Athens and the Greek Tunnelling Society please visit https://athenswtc2023.gr/ . 06/21.
09.03.2026 Italy
11.03.2026 Italy
19.03.2026 Bulgaria
20.03.2026 Italy
24.03.2026 Italy
31.03.2026 Ireland
23.04.2026 Sweden
24.04.2026 United Kingdom
04.05.2026 Switzerland
04.06.2026 Switzerland
