Mågerø is a small peninsula

Peninsula

A peninsula is a piece of land that is bordered by water on three sides but connected to mainland. In many Germanic and Celtic languages and also in Baltic, Slavic and Hungarian, peninsulas are called "half-islands"....

 just south of the Norwegian

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...

 city of Tønsberg

Tønsberg

is a city and municipality in Vestfold county, southern Norway, located around north-east of Sandefjord. The administrative centre of the municipality is the city of Tønsberg....

. It is a part of the island Tjøme

Tjøme

Tjøme is a municipality in Vestfold county, Norway. The administrative centre of the municipality is the village of Tjøme. The parish of Tjømø was established as a municipality on 1 January 1838 .-Name:...

, a typically Norwegian summer vacation

Summer vacation

Summer vacation is a vacation in the summertime between school years in which students and instructors are off school typically between 6 and 12 weeks, depending on the country and district.-Students:In some countries, students participate in programs such as organized sports, summer camps, and...

 area. Mågerø is the location of the Royal Norwegian Air Force

Royal Norwegian Air Force

The Royal Norwegian Air Force is the air force of Norway. It was established as a separate arm of the Norwegian armed forces on 10 November 1944. The RNoAF's peace force is approximately 1,430 employees . 600 personnel also serve their draft period in the RNoAF...

 control and alert station for the southern part of Norway. The Norwegian Royal family

Norwegian Royal Family

The Royal Family of Norway is the family of King Harald V of Norway. In Norway there is a distinction between the Royal House and the Royal Family. The Royal House includes only the King and his spouse, the Queen, the King's eldest son with spouse, being the Crown Prince and Crown Princess, and the...

have their summer vacation facility situated on Mågerø, which in its entirety has restricted military area status.