AdSense supporting Languages

  1. Arabic
  2. Bulgarian
  3. Chinese (simplified)
  4. Chinese (traditional)
  5. Croatian
  6. Czech
  7. Danish
  8. Dutch
  9. English
  10. Estonian *
  11. Filipino
  12. Finnish
  13. French
  14. German
  15. Greek
  16. Hebrew
  17. Hindi
  18. Hungarian
  19. Indonesian
  20. Italian
  21. Japanese
  22. Korean
  23. Latvian
  24. Lithuanian
  25. Malay
  26. Norwegian
  27. Polish
  28. Portuguese
  29. Romanian
  30. Russian
  31. Serbian
  32. Slovak
  33. Slovenian *
  34. Spanish
  35. Swedish
  36. Thai
  37. Turkish
  38. Ukrainian
  39. Urdu
  40. Vietnamese

At present, AdSense only supports ad serving in this language. The AdSense product interface and Help Center are not currently available in this language.

Source: https://support.google.com/adsense/answer/9727?hl=en July 2017