and the Oscarshall palace are also located here. Bygdøy has several public beaches and is a popular recreational area.

On January 1, 2004, the previous borough of Uranienborg-Majorstuen and Bygdøy-Frogner were merged with Frogner, creating the current, larger borough.

The borough is known for its many villas and parks. It is one of the most expensive boroughs in Oslo due its central location, proximity to parks,