The city of twenty-five thousand was located in the south western part of the state.
It receives many streams, and discharges at the south-western extremity by the Ericht.
It is in this south-western portion of the island, and more particularly in the group of mountains to the north of Iglesias, that the mining industry of Sardinia is carried on.
The mining industry in Sardinia is confined in the main to the south-western portion of the island.
The basin of the Garonne occupies south-western France with the exception of the tracts covered by the secondary basins of the Adour, the Aude, the Hrault, the Orb and other smaller rivers, and the lowlying plain of the Landes, which is watered by numerous coast rivers, notably by the Leyre.