A majority of the houses in the borough were built around 1900. Frogner has historically been and continues to be an affluent area of Oslo.

Districts

Traditional districts of Oslo belonging to the borough are:
* Bygdøy
* Frogner
* Majorstuen
* Uranienborg

Politics

As a borough of Oslo, Frogner is governed by the city council of Oslo, as well as its own borough council.