This article focusses on the historic region of East Frisia, which today comprises the town of Emden as well as the counties of Aurich, Leer and Wittmund; see the definition of the East Frisian landscape: Statute of the East Frisian LandscapeArchived 2010-12-18 at the Wayback Machine, Article I (Principles), Paragraph 2: "East Frisia includes the municipalities of Aurich, Leer and Wittmund as well as town of Emden."
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This article focusses on the historic region of East Frisia, which today comprises the town of Emden as well as the counties of Aurich, Leer and Wittmund; see the definition of the East Frisian landscape: Statute of the East Frisian LandscapeArchived 2010-12-18 at the Wayback Machine, Article I (Principles), Paragraph 2: "East Frisia includes the municipalities of Aurich, Leer and Wittmund as well as town of Emden."