The krone (krun) (sign: kr; code: NOK), plural kroner, is the currency of Norway and its dependent territories. It is subdivided into 100 re, which exist only electronically since 2012. The name translates into English as crown.

Kr is the currency symbol of which country? OK. Let's think. My stream of consciousness:
The relevant information to answer the above question is: The krone (krun) (sign: kr; code: NOK), plural kroner, is the currency of Norway and its dependent territories. The answer is Norway.