The provided text originates from a detailed Wikipedia article offering an extensive profile of Victoria Island, recognized as the eighth-largest island globally and Canada's second-largest landmass. This island is situated within the Arctic Archipelago, dividing its administration between Nunavut and the Northwest Territories. The historical summary discusses pre-contact habitation by the Thule culture and subsequent European exploration and naming in the 19th century. Geographically, the text emphasizes its challenging polar climate and complex physical characteristics, including multiple peninsulas and surrounding straits like the disputed Northwest Passage. Furthermore, the entry details its demographics, listing the combined population of the two main communities, Cambridge Bay and Ulukhaktok, and describes the unique migratory Dolphin-Union caribou herd inhabiting the region.