Eureka is a small research base on Fosheim Peninsula, Ellesmere Island, Qikiqtaaluk Region, in the Canadian territory of Nunavut. It is located on the north side of Slidre Fiord, which enters Eureka Sound farther west. It is the second-northernmost permanent research community in the world. The only one farther north is Alert, which is also on Ellesmere Island. Eureka has the lowest average annual temperature and least precipitation of any weather station in Canada.