| Title | Type | City |
|---|---|---|
| Ascension of the Lord Orthodox Church | Iglesia | Siemiatycze |
| Siemiatycze Orthodox Church Siemiatycze | Iglesia | Siemiatycze |
| Saints Apostles Peter and Paul Orthodox Church | Iglesia | Siemiatycze |
| Resurrection of the Lord Orthodox Church | Iglesia | Siemiatycze |
| Saint Martha and Virgin Mary Orthodox Monastery | Monasterio | Siemiatycze |
| Title | Type | City |