The transmarine dominions are Alaska, the Hawaiian Islands, Porto Rico, the Philippine Islands, and the Canal Zone on the Isthmus of Panama.
Above the sea, with various manufactories, gold, silver and copper mines, and mineral springs and baths near the city; Las Tablas (pop. about 6500) and Pese (pop. about 5600) in Los Santos province; Penomene (pop. about 3000), on the river of that name in Cocle province (of which it is the capital), with a trade in straw hats, tobacco, cacao, coffee, cotton, rubber, cedar and cattle; and in the Canal Zone Gorgona (3000) and Obispo (2500), each with an American colony.
West of the city, connected with it by railway, and formerly called La Boca), the port of Panama and the actual terminus of the canal, is in the Canal Zone and is a port under the jurisdiction of the United States, the commercial future of Panama is dependent upon American tariffs and the degree to which Panama and Balboa may be identified.