Eastergoa
Eastergoa (also Ostergau, Ostergo, or Oostergo) was one of the Seven Sealands and one of the three Gaue within what is today the province of Friesland in the Netherlands.
Eastergoa (also Ostergau, Ostergo, or Oostergo) was one of the Seven Sealands and one of the three Gaue within what is today the province of Friesland in the Netherlands.