Category

Geography of Friesland

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Lauwersmeer National Park

national park in the Netherlands

Drents-Friese Wold National Park

national park in the Netherlands

Schiermonnikoog National Park

national park in the Netherlands

De Alde Feanen National Park

national park in the Netherlands

thumb|right|An 1834 map of the former Middelzee The Middelzee (Dutch for "middle sea"; ), also called Bordine, was the estuary mouth of the River Boorne (West Frisian: Boarn) now in the Dutch province of Friesland. It ran from as far south as Sneek northward to the Wadden Sea and marked the border between main Frisian regions of Westergoa (Westergo) and Eastergoa (Oostergo). Other historical names for the Middelzee include Bordaa, Borndiep, Boerdiep, and Bordena. The names like Bordine, mean "border".

Westergoa was one of the Seven Sealands and one of the three that now lie within the borders of today's Dutch province of Friesland. Later it was one of the three goaen of Frisia. In the Middle Ages Westergoa most probably formed the political centre of the Frisian realm.

group of lakes in the Netherlands

thumb|Eastergoa in the Frankish realm (in the Middle Ages thumb|The flag of Eastergoa.