If you wish to take the test abroad, this is possible at the Norwegian Embassy in Zagreb. The test can be carried out twice a year, in April and October respectively. Possibility of taking the test is depedent on number of applicants and capacity at the Embassy. For more information, see Folkeuniversitetet.
Travel and border information for Norway in Norwegian / English
Traveling to Norway? - Register your arrival in our traveler registry.
(About the registry)