Nations:
Sacrum Iridisum Imperium
Holy Iridisian Empire

Lingua Franca: Iridisian
Pantheon: Nijiridisian

Kingdom of Pomerania
Prussia
Mostly (Upper Lazurian) Pomeranian, but with minority groups including Rosenknospes, and West Slavs
Same Language as Solaria, called Lazulith. Upper Lazulith Dialect with sub dialects.

Republic of Syrenia later, the Grand Principality of Syrenia
Latin-Dutch language called Lazuliet (Separated from Lazulith with the Republic)
Mostly Syrenian with Minority groups

Archduchy of Solaresreich or Solaria
Upper Germany and Austria.
Has the upper german (Lower Lazulith) population but also a south and west slavic population
Speaks Lower Lazulith

Kingdom of Dråkenland
Nordic, part of the greater Lazulith language family.

Rosebuds (non-Rose)
Part of the Iridrisian language family with EN general pentomos, Maripets, Phantomos and whatever the fuck Scarle's fanbase is called.

Smaller states representing fragmented realm:

Electorates:

Pomerania
Dråkenland
Some other monarchy, loyal to LazuLight
Archbishopric of (Loyal to LazuLight)
Archbishopric of (Loyal to Luxiem)
Archbishopric of (Loyal to Ethyria)
Solaria

Free cities:

Language Groups

Lazurian:
Lazurith, Lazuriet, Glödish, Rosenknospe, Evelandisch

Iridisian:
Iridisian (DEAD), Espíritus, Pingüí, Pétale, Poupées, Scarlattian

Tsukigo:

Ephiria:
Kossatskyan, Bedstviyite, Niebiański