In the world, Желязко (Желязко 
, Zhelyazko 
, Jeliazko 
) is quite a common boy's given name. The given name Желязко is characteristic of Bulgaria, where it is quite a common boy's name, Greece, where it is a rare boy's name, and Romania. Likewise, Желязко is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Желязко | Kazakhstan, Belarus, Bulgaria, Russia, Ukraine |
| Zhelyazko | Spain, Poland, Bulgaria, Greece, Romania |
| Jeliazko | United Kingdom, Canada, United States, Bulgaria |
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желязко петков Bulgarian politician, BG (b. 1840) |
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| желязко рашев BG (b. 1890) |
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желязко желязков Bulgarian association football player (1957-), BG (b. 1957) |
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| желязко ангелов Bulgarian politician, BG (b. 1916) |
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| желязко колев Bulgarian politician, BG (b. 1917) |
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| желязко троев BG (b. 1914) |
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| желязко желязков BG (b. 1926) |
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| желязко вълков badminton player, BG (b. 1957) |
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| желязко христов BG (b. 1948) |
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