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.
12.01.2026 Austria
14.01.2026 Netherlands
15.01.2026 Spain
16.01.2026 Germany
20.01.2026 Romania
23.01.2026 Switzerland
23.01.2026 Ireland
26.01.2026 Italy
26.01.2026 Germany
29.01.2026 Bosnia and Herzegovina
04.02.2026 Germany
06.02.2026 Spain
09.02.2026 Norway
