What is "pipervika"

Pipervika is a neighborhood in the borough Sentrum in Oslo, Norway. It is located between the Oslofjord, Akershus Fortress and The City Hall Square. Today the term Pipervika is primarily used for the bay between the fortress and Aker Brygge. This was formerly commonly known as Piperviksbukta. It is part of the Fjord City urban renewal project.