List of cities that attended the 2020, 2022, 2023, 2024 meetings of the Forum of Mayors
- Belsh (Albania)
- Berat (Albania)
- Cërrik (Albania)
- Elbasan (Albania)
- Librazhd (Albania)
- Mat (Albania)
- Patos (Albania)
- Puka (Albania)
- Roskovec (Albania)
- Tirana (Albania)
- Vlore (Albania)
- Andorra la Vella (Andorra)
- Alaverdi (Armenia)
- Aparan (Armenia)
- Gyumri (Armenia)
- Hrazdan (Armenia)
- Ijevan (Armenia)
- Tashir (Armenia)
- Vagharshapat (Armenia)
- Vanadzor (Armenia)
- Vedi (Armenia)
- Yerevan (Armenia)
- Vienna (Austria)
- Chausy (Belarus)
- Ghent (Belgium)
- Cotonou (Benin)
- Banja Luka (Bosnia and Herzegovina)
- Sarajevo (Bosnia and Herzegovina)
- Barcarena (Brazil)
- Conceição do Mato Dentro (Brazil)
- Porto Alegre (Brazil)
- Burgas (Bulgaria)
- Montreal (Canada)
- Quebec (Canada)
- Victoria (Canada)
- Osijek (Croatia)
- Split (Croatia)
- Athienou (Cyprus)
- Larnaca (Cyprus)
- Nicosia (Cyprus)
- Ostrava (Czech Republic)
- Prague (Czech Republic)
- Otavalo (Ecuador)
- Damietta (Egypt)
- Rakvere (Estonia)
- Tallinn (Estonia)
- Dire Dawa (Ethiopia)
- Helsinki (Finland)
- Turku (Finland)
- Bordeaux (France)
- Dijon (France)
- Eurometropolis of Strasbourg (France)
- Evian les Bains (France)
- Ferney-Voltaire (France)
- Grenoble (France)
- Nantes (France)
- Kutaisi (Georgia)
- Tbilisi (Georgia)
- Bonn (Germany)
- Freiburg (Germany)
- Heidelberg (Germany)
- Kiel (Germany)
- Accra (Ghana)
- Ayawaso (East) (Ghana)
- Ayawaso (West) (Ghana)
- Athens (Greece)
- Debrecen (Hungary)
- Veszprém (Hungary)
- Reykjavík (Iceland)
- Tehran (Iran)
- Cork (Ireland)
- Dublin (Ireland)
- Hod Hasharon (Israel)
- Jerusalem (Israel)
- Alba (Italy)
- Arezzo (Italy)
- Bari (Italy)
- Isola Dovarese (Italy)
- Potenza (Italy)
- Rome (Italy)
- Savona (Italy)
- Amman (Jordan)
- Almaty (Kazakhstan)
- Nairobi (Kenya)
- Bishkek (Kyrgyzstan)
- Osh (Kyrgyzstan)
- Liepaja (Latvia)
- Riga (Latvia)
- Valmiera (Latvia)
- Vaduz (Liechtenstein)
- Jonava (Lithuania)
- Vilnius (Lithuania)
- Kuala Lumpur (Malaysia)
- Klang (Malaysia)
- Balzan (Malta)
- St. Paul's Bay (Malta)
- Ta' Xbiex (Malta)
- Nouakchott (Mauritania)
- Podgorica (Montenegro)
- Agadir (Morocco)
- Rabat (Morocco)
- Doetinchem (Netherlands)
- Utrecht (Netherlands)
- Niamey (Niger)
- Ohrid (North Macedonia)
- Skopje (North Macedonia)
- Trondheim (Norway)
- Turbat Kech (Pakistan)
- Naga (Philippines)
- Katowice (Poland)
- Łódź (Poland)
- Braga (Portugal)
- Cascais (Portugal)
- Loulé (Portugal)
- Mafra (Portugal)
- Matosinhos (Portugal)
- Cantemir (Republic of Moldova)
- Chisinau (Republic of Moldova)
- Ungheni (Republic of Moldova)
- Alba Iulia (Romania)
- Bucharest (Romania)
- Comarnic (Romania)
- Cugir (Romania)
- Galati (Romania)
- Kazan (Russian Federation)
- Kigali (Rwanda)
- San Marino (San Marino)
- Dakar (Senegal)
- Belgrade (Serbia)
- Freetown (Sierra Leone)
- Bratislava (Slovakia)
- Kranj (Slovenia)
- Maribor (Slovenia)
- Novo Mesto (Slovenia)
- Bilbao (Spain)
- Madrid (Spain)
- Zaragoza (Spain)
- Granollers (Spain)
- Helsingborg (Sweden)
- Malmö (Sweden)
- Bern (Switzerland)
- Castel San Pietro (Switzerland)
- Geneva (Switzerland)
- Lausanne (Switzerland)
- Le Grand-Saconnex (Switzerland)
- Dushanbe (Tajikistan)
- Khorog (Tajikistan)
- Dodoma (Tanzania)
- Nakhon Si Thammarat (Thailand)
- Atakpamé (Togo)
- Gaziantep (Türkiye)
- Avaza (Turkmenistan)
- Ashgabat (Turkmenistan)
- Kampala (Uganda)
- Irpin (Ukraine)
- Kharkiv (Ukraine)
- Mykolaiv (Ukraine)
- Bristol (UK)
- Glasgow (UK)
- London (UK)
- Boston (USA)
- New Orleans (USA)
- Pittsburgh (USA)
- Tashkent (Uzbekistan).