Its only city is Colón. It was officially founded on the island of Manzanilla during the railroad construction. The province is situated on the north coast with a population of 204,200 people, in the districts of Donoso, Chagres, Colón, Portobelo and Santa Isabel. Colon City is the Atlantic terminal port of the Canal and the major employers of labour are the Canal, the ports and the Colón Free Zone, created in 1946 to reactivate the economy. Tourist attractions include the ruins of Portobelo and Fort San Lorenzo, Isla Grande, and Langosta beach.