26 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. ] :
| | ANDORRA | (Andorra the Old a + (Seo de Urgel) ry) | | Coprince Justi Guitart i Vilardebo | | |
| | ALBANIA | (Tirana) | | King Zog I Skanderbeg III | | |
| | BELGIUM | (Brussels) | | King Leopold III | | |
| | BULGARIA | (Sofia) | | Tsar Boris III the Unifier | | |
| | SWITZERLAND | (Berne lq + Lausanne j) | | President Johannes Baumann | | |
| | CZECHOSLOVAKIA | (Prague a + Lany s) | | President Edvard Benes | | |
| | DENMARK | (Copenhagen) | | King Christian X | | |
| | ESTONIA | (Tallinn a + Tartu b) | | State-Protector Konstantin Pats | | |
| | SPAIN | (Barcelona) | | President Manuel Azana Diaz | | |
| | FINLAND | (Helsinki a + Kultaranta s) | | President Kyosti Kallio | | |
| | FRANCE | (Paris) | | President Albert Lebrun | | |
| | GREECE | (Athens a) | | King George II | | |
| | HUNGARY | (Budapest a) | | Regent Miklos Horthy de Nagybanya | | |
| | EIRE | (Dublin) | | Presidential Commission | | |
| | ITALY | (Rome a + Addis Ababa u) | | King Victor Emmanuel III | | |
| | LITHUANIA | (Kaunas) | | President Antanas Smetona | | |
| | LUXEMBURG | (Luxembourg a) | | Grand Duchess Charlotte | | |
| | LATVIA | (Riga) | | State President Leader Karlis Ulmanis | | |
| | NETHERLANDS | (Amsterdam a + The Hague jlr + Wassenaar r) | | Queen Wilhelmina | | |
| | POLAND | (Warsaw a) | | President Ignacy Moscicki | | |
| | PORTUGAL | (Lisbon) | | President Oscar Carmona | | |
| | RUMANIA | (Bucharest) | | King Carol II | | |
| | SWEDEN | (Stockholm) | | King Gustav V | | |
| | SAN MARINO | (San Marino) | | Captains Regent | | |
| | UNITED KINGDOM | (London a + Westminster lr + Edinburgh s + Windsor r) | | King George VI | | |
| | YUGOSLAVIA | (Belgrade) | | King Peter II Karageorgevich | | |