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Ciudad Guayana(syo͞othäth` gēăn`ə, –än`–), formerly
Santo Tomé de Guayana,city (1990 pop. 453,047), Bolívar state, Venezuela, at the confluence of the Caroní and Orinoco rivers in the Guiana Highlands. Founded in 1961 and administered by the state economic planning commission, Ciudad Guayana united several smaller cities into one massive residential, industrial, and commercial area with a radius of over 100 mi (160 km). The area includes several hydroelectric stations, aluminum plants, iron- and steelworks, and gold and diamond mines. Forestry products, bricks, and other manufactured goods are also produced. Ciudad Guayana is a port complex, and it is linked to the Guiana region and the rest of the country by a road network; the Orinoco is crossed by a cable-stayed bridge that was completed in 2006. The city has an airport.
(formerly Santo Tomé de Guayana), a city in eastern Venezuela, in Bolívar State. Port on the right bank of the Orinoco River, at the Orinoco’s confluence with the Caroní River. Created in 1961 by merging the settlements of Puerto Ordaz, San Felix, Matanzas, Caruachi, and Castillito. Population, 127,700 (1969).
A railroad branch line links Ciudad Guayana with Cerro Bolívar, where there are iron-ore deposits. The city is the center of Venezuelan Guiana, a large, developing region. The first stage of a metallurgical complex has been completed. There are also enterprises of the pulp-and-paper, nonferrous metal, and chemical industries. In the surrounding region, iron and manganese ores are mined and crude oil is extracted.