As of 1 January 2017, Nauruan citizens had visa-free or visa on arrival access to 80 countries and territories, ranking the Nauruan passport 60th in terms of travel freedom (tied with Kuwaiti and Maldivian passports) according to the Henley visa restrictions index.
1 B) The Isle of Man, Jersey and Guernsey are not part of the European Union, but Manxmen and Channel Islanders are citizens of the European Union; the Isle of Man, Jersey and Guernsey, and Manxmen and Channel Islanders themselves (unless they qualify and apply for recognition of a change in status), are however excluded from the benefits of the Four Freedoms of the European Union.
1 C) The Government of the United Kingdom also issue passports to British nationals who are not British citizens with the right of abode in the United Kingdom and who are also not otherwise citizens of the European Union.
3 Russia is a transcontinental country in Eastern Europe and Northern Asia. The vast majority of its population (80%) lives in European Russia, therefore Russia as a whole is included as a European country here.
4 Turkey is a transcontinental country in the Middle East and Southeast Europe. Turkey has a small part of its territory (3%) in Southeast Europe called Turkish Thrace.