Yellowknife (/ˈjɛloʊnaɪf/; Dogrib: Sǫǫ̀mbak’è) is the capital, largest community, and only city in the Northwest Territories, Canada.
Octagon (Wikipedia) In geometry, an octagon (from the Greek ὀκτάγωνον oktágōnon, “eight angles”) is an eight-sided polygon or 8-gon.