Where Henrik Ibsen is buried (4)

I believe the answer is:

oslo

(Other definitions for oslo that I've seen before include "European capital, known until 1924 as Christiania" , "European capital city (found in Czechoslovakia!)" , "Capital city, called Kristiania until 1924" , "Norway's capital city" , "Scandinavian capital" .)

I've seen this clue in The New York Times.

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