“Western countries” in Japanese
Short answer
Western countries in Japanese is “西側諸国” (nishigawashokoku). Full meaning: Western countries, (former) Western Bloc countries.
Other ways to say “Western countries” in Japanese
欧米諸国
oubeishokoku Western countries, European and (North) American countries
西洋
seiyou the West, the Occident, Western countries
せいよう
seiyou the West, the Occident, Western countries
セイヨウ
seiyou the West, the Occident, Western countries
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