Olhao has a good harbour at the head of the Barra Nova, a deep channel among the sandy islands which fringe the coast.
Long by 12 broad), and opposite on the north bank is Barra Point, the river being here contracted to 21 m.
Of the capital, Conceicao da Barra (municipality, 5628), the port of Sao Matheus and Cachoeira do Itapemirim (4049), an important commercial centre in the south.
The chief islands of the Outer Hebrides are Lewis-with-Harris (or Long Island), North Uist, Benbecula, South Uist, Barra, the Shiants, St Kilda and the Flannan Isles, or Seven Hunters, an uninhabited group, about 20 M.
The total length of this group, from Barra Head to the Butt of Lewis, is 130 m., the breadth varying from less than 1 m.