| Language | Name | Code |
|---|---|---|
| azb | سردتس | azb |
| Bulgarian | Средец | bg |
| Cebuano | Obshtina Sredets | ceb |
| Central Kurdish | سرێدێتس | ckb |
| German | Sredez | de |
| English | Sredets | en |
| Spanish | Sredets | es |
| Persian | اسردتس | fa |
| French | Srédéts | fr |
| Irish | Sredets | ga |
| Hebrew | סרדץ | he |
| Italian | Sredets | it |
| Japanese | スレデツ | ja |
| Macedonian | Средец (град) | mk |
| Dutch | Sredets | nl |
| Polish | Sredec (obwód Burgas) | pl |
| Portuguese | Sredec | pt |
| Romanian | Sredeț | ro |
| Russian | Средец | ru |
| Slovak | Sredec | sk |
| Slovenian | Sredec | sl |
| Serbian | Средец | sr |
| sr-ec | Средец | sr-ec |
| sr-el | Sredec | sr-el |
| Swedish | Obsjtina Sredets | sv |
| Turkish | Sülmeşli | tr |
| Tatar | Средетс | tt |
| Ukrainian | Средець | uk |
| Vietnamese | Sredets | vi |
| war | Sredets | war |
| Chinese | 斯雷代茨 | zh |
| zh-cn | 斯雷代茨 | zh-cn |
| zh-hans | 斯雷代茨 | zh-hans |
| zh-hant | 斯雷代茨 | zh-hant |
| zh-hk | 斯雷代茨 | zh-hk |
| zh-sg | 斯雷代茨 | zh-sg |
| zh-tw | 斯雷代茨 | zh-tw |