Parnaíba is a city in the Brazilian state of Piauí. Having a population of over 170,000 inhabitants, is thus the second most populous city in the state, second only to the capital Teresina. It is one of the four coastal municipalities in Piauí (besides Ilha Grande, Luís Correia and Cajueiro da Praia).Besides the natural beauty, Parnaíba has g... Found on http://en.wikipedia.org/wiki/Parnaíba
port city, northwestern Piauí estado (state), northeastern Brazil. It is located on the Igaraçu River, an outlet of the Parnaíba River, 9 miles (14 ... Found on http://www.britannica.com/eb/a-z/p/21