Greece is to host the WTC2023 for the first time after winning by 33 votes to 14 in a head to head with Turkey at an Extraordinary General Assembly held by the ITA (International Tunnelling and Underground Space Association) on 10 Feb 2021. The 49th annual gathering of the WTC is to be hosted by The Greek Tunnelling Society and held in Athens at the Megaron Athens International Conference Centre from 12 to 18 May 2023 with the theme Expanding Underground. If Turkey had won, the host city would have been Antalya.