| This 1983: Doomsday page is obsolete.|
The Federation of the Thames is a collection of pirate bases located in the Maunsell forts located in the Thames estuary. It shares a maritime border with Essex and Woodbridge.
- Republic of the Sands (Tongue Sands)
- Turret Republic (Knock John)
- Kingdom of Sealand- Claimed but in use by the Principality of Sealand