Most of the Nobel Prizes are handed out in Stockholm, Sweden, but the Nobel Peace Prize is awarded by the Norwegian Nobel Committee in Oslo. Here is some more about the Nobel organization. The Peace Prize is awarded in Oslo City Hall, one of the neighboring buildings to the Peace Center.
The Nobel Peace Center opened in 2005, and work to promote familiarity to the lives and work of the Nobel Peace Prize laureates and Alfred Nobel.
Since 1901, 94 Nobel Peace Prizes have been awarded, and on nobelprize.org there are several more interesting facts about the Peace Prize.
This picture was taken early February 2014.