Unaos is the easternmost farm of the Hjaltastadur County on the estuary of
The first settler there was Uni Gardarsson, the son of one of the
three discoverers of Iceland, Gardar Svavarsson.
He was sent to Iceland by King Haraldur Fairhair to convince the
Icelanders to become his subjects.
People everywhere in the country resented his mission and he
retreated from his farm, first to the Alftafiord Bay and then to the
farm A in the Sida Area, where he was slain by the farmer Leidolfur.
the farm Unaos is the pass Vatnsskard between the mountains
Songhofsfjall (431 m) and Geldingafjall, where the road from 1950 lies
to the Njardvik Cove and the Borgarfiord Bay.
Further east from Unaos the lowland strip disappears where the
trading harbour Oshofn was authorized in 1902 and trading continued for
about two decades until the co-operative society of Borgarfiord took
over. During World War
II, German spies hid in a cave a short distance to the
east of the farm for a while.