Eastergoa

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

On its west side Eastergoa was bordered by the Middelsee with Westergoa on the other side of the water. To the south the Alde Leppedyk and the Boarn were the border with Bornegoa [fy; nl], and later with Sânwâlden [fy; nl; nds-nl] (Dutch: Zeuvenwoolden). To the east it was bordered by the Lauwers, the Lauwerzee and the Westerkwartier of the Ommelanden (the western portion of the today's province of Groningen).

The whole of this area belonged to Wininge and Achtkarspelen, which was at that point still a part of Eastergoa. Around 1200 Wininge comprised Dantumadeel, Dongeradeel and Ferwerderadeel ([Dantumadiel, Dongeradiel] Error: {{Langx}}: invalid parameter: |longname= (help) and Ferwerderadiel) in the north and Idaarderadeel [nl; fy], Leeuwarderadeel and Tietjerksteradeel in the south ([Idaarderadiel, Ljouwerteradiel] Error: {{Langx}}: invalid parameter: |longname= (help) and Tytsjerksteradiel). Around 1250 it was split into two parts called the Noardlike njoggen ('northern nine') and the Sudlike njoggen ('southern nine').

Around 1500 Eastergoa was further divided into two cities and eleven grietenijen ([gritenijen] Error: {{Langx}}: invalid parameter: |longname= (help); municipalities).

	The eleven grietenijen of Eastergoa
	Number	Dutch name	West Frisian name
	1	Leeuwarderadeel	Ljouwerteradiel
	2	Ferwerderadeel	Ferwerderadiel
	3	Westdongeradeel	West-Dongeradiel
	4	Oostdongeradeel	East-Dongeradiel
	5	Kollumerland	Kollumerlân
	6	Achtkarspelen
	7	Dantumadeel	Dantumadiel
	8	Tietjerksteradeel	Tytsjerksteradiel
	9	Smallingerland	Smellingerlân
	10	Idaarderadeel	Idaarderadiel
	11	Rauwerderhem	Raerderhim
	The two cities
	Letter	Dutch name	West Frisian name
	Lw	Leeuwarden	Ljouwert Stadsfries: Liwwadden
	D	Dokkum

• Albdag