, Brazil, a city in Rio de Janeiro state. It is on Guanabara Bay, across from the city of Rio de Janeiro. Ferries and a bridge link the two cities. Produced here are ships, processed foods, textiles, metals, and chemicals. Niterói was founded, on the site of an Indian village, in 1819 and was the state capital from 1835 until 1975.

Population: 416,123.