The Federgo, also Federitga, was an historic region, situated on the northwestern edge of East Frisia

East Frisia

East Frisia or Eastern Friesland is a coastal region in the northwest of the German federal state of Lower Saxony....

, by the Wadden Sea

Wadden Sea

The Wadden Sea is an intertidal zone in the southeastern part of the North Sea. It lies between the coast of northwestern continental Europe and the range of Frisian Islands, forming a shallow body of water with tidal flats and wetlands. It is rich in biological diversity...

, which roughly covered the present-day parish of Krummhörn

Krummhörn

Krummhörn is a municipality in the district of Aurich, in Lower Saxony, Germany. It is situated near the Ems estuary, approximately 15 km southwest of Norden, and 10 km northwest of Emden....

. Before the breach of the Leybucht

Leybucht

The Leybucht is the second largest bay in East Frisia in northwest Germany after the Dollart. The Jade Bight is larger than both, but belongs historically to Oldenburg.- Location :...

 bay the parish of Norden also belonged to Federgo. The gau probably derives its name from the conspicuous marsh plants growing there.

The Federgo is bordered in the east by the Brokmerland

Brokmerland

The Brokmerland is a landscape and an historic territory, located in western East Frisia, which covers the area in and around the present-day communities of Brookmerland and Südbrookmerland. The Brokmerland borders in the east on the Harlingerland and in the north on the Norderland. The historic...

 and in the south by the Emsigerland

Emsigerland

The Emsigerland was a historic region, situated on the western edge of East Frisia by the Wadden Sea, which covered a wide area around the town of Emden...

.