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In all the world, Jasko (Jasko
, Яско
, Jaśko
) is a rare boy's given name. The first name Jasko is characteristic of Bosnia and Herzegovina, where it is quite a rare boy's name, Slovenia, where it is a rare boy's name, and Austria. Not in comparison with a country's population, this name is the most popular in Bosnia and Herzegovina, Indonesia, and Austria. Also, Jasko is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jasko | Bosnia and Herzegovina, Poland, Slovakia, Hungary, United States |
| Яско | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Jaśko | Poland |
| جاسكو | Sudan |