H2O's EU5 Mod Workshop 中文

Savolax

Savolax was a historical region of eastern Finland and the homeland of the Savonians. Under Swedish rule, Erik Axelsson Tott founded Olavinlinna Castle there in 1475; Russia acquired the castle and surrounding region in 1743.

References

  1. en.wikipedia.org/wiki/Savo_(historical_province)
  2. en.wikipedia.org/wiki/Olavinlinna