Posse is a municipality in northeastern Goiás state, Brazil. It is located northeast of Brasília, 24 km from the state boundary with Bahia, on in…Posse is a municipality in northeastern Goiás state, Brazil. It is located northeast of Brasília, 24 km from the state boundary with Bahia, on interstate highway BR-020. The town of Posse arose with the arrival of Northeastern migrants fleeing the drought in search of fertile lands in the mid-19th century. Among the pioneers there were many descendants of Argentinians and Portuguese and many of the streams and rivers had names remembering those far away lands—Rio Corrente, Rio Prata, and Porto Buenos Aires. The settlement was first called Buenos Aires, located below the joining of the Rio Corrente with the Rio Paranã. The town did not progress because it was hit by malaria and the first settlers went to the higher lands at the foot of Serra Geral, where they formed another settlement.