Europe's regional divisions blend geography, history, climate, and Cold War legacies. The UN/UNESCO four-region model:
Denmark, Estonia, Finland, Iceland, Latvia, Lithuania, Norway, Russia (NW), Sweden.
Austria, Belgium, France, Germany, Liechtenstein, Luxembourg, Monaco, Netherlands, Portugal, Ireland, Switzerland, United Kingdom.
Albania, Andorra, Bosnia & Herzegovina, Bulgaria, Croatia, Cyprus, Greece, Italy, Kosovo, Malta, Montenegro, North Macedonia, Portugal, Romania, San Marino, Serbia, Slovenia, Spain, Turkey (European part), Vatican City.
Armenia (SW), Azerbaijan (NE), Belarus, Czechia, Georgia (W), Hungary, Moldova, Poland, Russia (central/SW), Slovakia, Ukraine.
Regions are analytical lenses, not legal borders. Choose the frame that fits your question.