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- Parnaíba
Parnaíba, river c.800 mi (1,290 km) long, rising in the highlands of NE Brazil. It flows generally north, forming the boundary between Maranhão and Piauí states, and enters the Atlantic Ocean ...
- Teresina
Teresina, city (1991 pop. 599,272), capital of Piauí state, NE Brazil, on the Parnaíba River. It is the main commercial and agricultural distribution center in the Parnaíba valley; cattle, hid...
- São Luís
São Luís, city (1996 pop. 781,068), capital of Maranhão state, NE Brazil. It is a port city located on São Luís Island in São Marcos Bay of the Atlantic Ocean. São Luís is a trading and distri...
- sertão
Sertão [Port.,=backlands], semiarid hinterland of NE Brazil; c.250,000 sq mi (647,500 sq km). Its characteristic landscape is the caatinga, or thorny scrub forest. The chief occupation of the ...
- Brazil
Brazil, Port. Brasil, officially Federative Republic of Brazil, republic (2005 est. pop. 186,113,000), 3,286,470 sq mi (8,511,965 sq km), E South America. By far the largest of the Latin Ameri...
