It lies off Siberia's Taymyr Peninsula, separated from the mainland by the Vilkitsky Strait. This archipelago separates two marginal seas of the Arctic Ocean, the Kara Sea in the west and the Laptev Sea in the east.
The description refers to a geographical location in the Arctic Ocean, specifically an archipelago situated off Siberia's Taymyr Peninsula, separated from the mainland by the Vilkitsky Strait. This archipelago divides the Arctic Ocean into two marginal seas: the Kara Sea and the Laptev Sea.