The harbour of Cagliari (along the north side of which runs a promenade called the Via Romo) is a good one, and has a considerable trade, exporting chiefly lead, zinc and other minerals and salt, the total annual value of exports amounting to nearly 12 million sterling in value.
The state includes the oldest settlements in Venezuela, and was once very prosperous, producing cattle and exporting hides, but wars and political disorders have partly destroyed its industries and impeded their development.
Now, however, a large proportion of the crop is sold to local store-keepers who transfer it to exporting firms in neighbouring cities.
A large number of plantations in British Malaya and Ceylon are now actively exporting increasing quantities of rubber.
It is the chief town of a wide district exporting olive oil, esparto', corn and flour, wools and Algerian onyx; and has a population of (1906) 24,060.