罗马尼亚和保加利亚于2007年加入(英语:2007 enlargement of the European Union)欧洲联盟,塞尔维亚自从2014年1月起就在进行加入欧洲联盟的谈判(英语:Accession of Serbia to the European Union)。从2017年10月起,希腊加入三国集团在保加利
Ambassador of Peru Georgy Zarubin, Ambassador of the SovietUnion Alberto Martín-Artajo, Foreign Ministerof Spain Celâl Bayar, President of Turkey Konrad
represented by its Prime Minister, and not by its President, in the Council of the Heads of State and Government of the European Union. The 2012 constitutional