Settlement Defense Front

Settlement Defense Front
Abbreviation	SDF
Type	Military Alliance
Leader(s)	Polsk
Member States	Polsk Order of Ganymede New Yetia Swagonia Skye Hyperborea Osania Feur Island Isernotaria Karina Dynasty Arstotzka
Historical Information
Founded	209
Dissolved	229

The Settlement Defense Front was a military alliance established by Polsk, largely acting as the predecessor of the Theian Defence Pact.