The Municipal Unit of Sidirokastro is one of six in the Municipality of Sintiki, a municipality in the prefecture of Serres which covers a very large area along the Greek-Bulgarian border. The Municipal Unit of Sidirokastro includes the town of Sidirokastro as well as larger and smaller villages near it.
Area // Municipal District Sidirokastro
Attributes
| Center | : | Sidirokastro |
| Population 2011 | : | 9294 |
| Kallikratis Code | : | 120701 |
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