| Adjan Borough of Siddingham | |
|---|---|
| |
| Blaekker Avenue, West Siddingham | |
| Country | Adianterras |
| Region | Adjan & Dekker |
| Island | Adianz |
| Population | 341,829 |
| Area | 3 km2 |
| Mayor | Oliver Borawsky |
Siddingham (Irish: Cathair na Seidan) is the 5th largest of the 28 boroughs of Adjan, the capital city of Adianterras. Siddingham is known for the large neighbourhood in the east of the borough, Polskitown, where most of Adjan's Polish community live.