Countries involved

Albania Andorra Armenia Austria Azerbaijan Belgium - Brussels Belgium - Flanders Belgium - Wallonia Bosnia and Herzegovina Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Finland France Georgia Germany Greece Holy See Hungary Iceland Ireland Italy Kazakhstan Latvia Liechtenstein Lithuania Luxembourg Malta Monaco Montenegro Netherlands North Macedonia Norway Poland Portugal Republic of Moldova Romania San-Marino Serbia Slovakia Slovenia Spain Sweden Switzerland Türkiye Ukraine United Kingdom - England United Kingdom - London United Kingdom - Northern Ireland United Kingdom - Scotland United Kingdom - Wales