Icefirth (Isafjörðar), 155 Icefirth-deep (Isafjarðar-djúp), 273 Iceland (Island), 10, 11, 12, 15, 16, 19, 27, 75,77, 115, 116, 121, 243, 250, 253, 272 Ingolfs-firth (Ingóilfafjördr), 17, 20, 22