Svalbard Syllabification: (Sval·bard)Pronunciation: /ˈsvälˌbär(d) /Definition of Svalbard a group of islands in the Arctic Ocean about 400 miles (640 km) north of Norway; population 2,100 (est. 2009). They came under Norwegian sovereignty in 1925. The chief settlement (on Spitsbergen) is Longyearbyen. Svalbard in other Oxford dictionaries Definition of Svalbard in the British & World English dictionary