Gardermoen is an area in Ullensaker

Ullensaker

Ullensaker is a municipality in Akershus county, Norway. It is part of the traditional region of Romerike. The administrative centre of the municipality is the village of Jessheim. It has a population of approximately 30,000 inhabitants...

, Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

. In 1998, it had a population of 259 people. Oslo Airport, Gardermoen

Oslo Airport, Gardermoen

Oslo Airport, Gardermoen is the principal airport serving Oslo, Norway. It acts as the main domestic hub and international airport for Norway, and the second-busiest airport in the Nordic countries. A hub for Scandinavian Airlines and Norwegian Air Shuttle, and a focus city for Widerøe, it is...

 and Gardermoen Air Station

Gardermoen Air Station

Gardermoen Air Station is located about 50 km north of Oslo, Norway. It is the location for the 135th Airwing and the 335th Squadron of the Royal Norwegian Air Force, which currently operates two of the four recently procured C-130J-30 Super Hercules transport aircraft...

 are located in the area.

Gardermoen is a compound of the farm name Garder and the finite form of mo m 'moor; drill ground' (thus 'the moor belonging to the farm Garder'). The farm is first mentioned in 1328 (Garðar), and the name is the plural of Norse

Old Norse

Old Norse is a North Germanic language that was spoken by inhabitants of Scandinavia and inhabitants of their overseas settlements during the Viking Age, until about 1300....

 garðr m 'fence

Fence

A fence is a freestanding structure designed to restrict or prevent movement across a boundary. It is generally distinguished from a wall by the lightness of its construction: a wall is usually restricted to such barriers made from solid brick or concrete, blocking vision as well as passage .Fences...

'. The meaning is probably 'enclosure; fenced fields'.