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Family name Chlak (สลัก , Шлак
, Chlak
) , in the world, is a rare cognomen. The cognomen Chlak is habitual in Lebanon, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Morocco. Measured by absolute frequency, it is commonest in Lebanon, Russia, and Kazakhstan. Also, Chlak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สลัก | Thailand |
| Шлак | Kazakhstan, Russia, Ukraine |
| Chlak | Morocco, Germany, India, Lebanon |