42 Members (excluding the associate or suspended members but including the countries represented on their behalf) [The rulers are not necessarily the representatives in the organisation. ] :
 |  | ALBANIA | (Tirana) |  | President Ilir Meta |  | |
 |  | AUSTRIA | (Vienna) |  | President Alexander Van der Bellen | | |
 |  | BOSNIA AND HERZEGOVINA | (Sarajevo) |  | President Dragan Chovich | | |
 |  | BELGIUM | (Brussels) |  | King Philippe | | |
 |  | BULGARIA | (Sofia) |  | President Rumen Radev | | |
 |  | CYPRUS | (Nicosia) |  | President Nicos Anastasiades |  | |
 |  | CZECHIA | (Prague elr + Brno dj + Lany r) |  | President Milos Zeman | | |
 |  | GERMANY | (Berlin ar + Bonn lr + Karlsruhe d) |  | Bundespresident Frank-Walter Steinmeier | | |
 |  | DENMARK | (Copenhagen) |  | Queen Margaret II | | |
 |  | ALGERIA | (Algiers a + El Biar d + El Mouradia r) |  | President Abdelaziz Bouteflika |  | |
 |  | ESTONIA | (Tallinn a + Tartu b) |  | President Kersti Kaljulaid | | |
 |  | EGYPT | (Cairo a + Alexandria r) |  | President Abdel Fattah el-Sisi | | |
 |  | SPAIN | (Madrid) |  | King Philip VI | | |
 |  | FINLAND | (Helsinki a + Kultaranta s) |  | President Sauli Niinisto | | |
 |  | FRANCE | (Paris) |  | President Emmanuel Macron | | |
 |  | GREECE | (Athens a) |  | President Prokopis Pavlopoulos | | |
 |  | CROATIA | (Zagreb) |  | President Kolinda Grabar-Kitarovich | | |
 |  | HUNGARY | (Budapest a) |  | President Janos Ader | | |
 |  | IRELAND | (Dublin) |  | President Michael Daniel Higgins | | |
 |  | ISRAEL | (Jerusalem aru + Tel Aviv-Jaffa i) |  | President Reuven Rivlin | | |
 |  | ITALY | (Rome a) |  | President Sergio Mattarella | | |
 |  | JORDAN | (Amman) |  | King Abdullah II | | |
 |  | LEBANON | (Beirut a + Baabda r + Hadeth d) |  | President Michel Aoun | | |
 |  | LITHUANIA | (Vilnius) |  | President Dalia Grybauskaite | | |
 |  | LUXEMBOURG | (Luxembourg a) |  | Grand Duke Henri | | |
 |  | LATVIA | (Riga) |  | President Raimonds Vejonis | | |
 |  | MOROCCO | (Rabat a) |  | King Muhammad VI | | |
 |  | MONACO | (Monaco q) |  | Prince Albert II | | |
 |  | MONTENEGRO | (Podgoritsa a + Cetinje hr) |  | President Filip Vujanovich | | |
 |  | MAURITANIA | (Nouakchott) |  | President Mohamed Ould Abdelaziz | | |
 |  | MALTA | (Valletta a + Attard r + Siggiewi s) |  | President Marie-Louise Coleiro Preca | | |
 |  | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) |  | King Willem-Alexander | | |
 |  | POLAND | (Warsaw a) |  | President Andrzej Duda | | |
 |  | PALESTINE | (Ramallah qr + (East Jerusalem)) |  | President Mahmoud Abbas | | |
 |  | PORTUGAL | (Lisbon) |  | President Marcelo Rebelo de Sousa | | |
 |  | ROMANIA | (Bucharest) |  | President Klaus Iohannis | | |
 |  | SWEDEN | (Stockholm) |  | King Charles XVI Gustav | | |
 |  | SLOVENIA | (Ljubljana) |  | President Borut Pahor | | |
 |  | SLOVAKIA | (Bratislava a + Kosice d) |  | President Andrej Kiska | | |
 |  | TUNISIA | (Tunis a + Bardois df) |  | President Mohamed Beji Caid Essebsi | | |
 |  | TURKEY | (Ankara a) |  | President Recep Tayyip Erdogan | | |
 |  | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) |  | Queen Elizabeth II | | |
