Piauí is one of the 
states of 
Brazil, located in the northeastern part of the country, in the arid region of 
Sertão. It has an area of 250,934 sq. km. and a population of approximately 2,750,000.
Capital: Teresina[?]
Flag: 
Other cities include:
 
All Wikipedia text 
is available under the 
terms of the GNU Free Documentation License