noun
European countries
A formal, somewhat literary term for the nations of Europe, often used in news or political contexts.
欧州諸国は移民問題で協力を強化している。
European countries are strengthening cooperation on immigration issues.
欧州諸国を歴訪する予定だ。
I plan to visit various European countries.
More common and neutral in everyday speech; 欧州諸国 is more formal and often used in written or official contexts.
Compound of 欧州 (Europe) and 諸国 (various countries). 欧州 is an abbreviation of 欧羅巴 (Europe) combined with 州 (continent).