* Countries: Portugal, Spain, Andorra, and the British overseas territory of Gibraltar
2. Scandinavian Peninsula
* Countries: Norway, Sweden, and the northern part of Finland
3. Jutland Peninsula
* Country: Denmark
4. Balkan Peninsula
* Countries: Albania, Bosnia and Herzegovina, Bulgaria, Croatia, Greece, Kosovo, Montenegro, North Macedonia, Serbia, Slovenia, and Turkey
5. Apennine Peninsula
* Country: Italy
6. Peloponnese Peninsula
* Country: Greece