| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sao Antonio | city | Piaui | Brazil | -9.02 | -42.77 | 1669 | 3105 |
| Sao Benedito | city | Piaui | Brazil | -6.15 | -41.48 | 1026 | 0 |
| Sao Benedito | city | Piaui | Brazil | -6.98 | -42.08 | 830 | 10579 |
| Sao Bento | city | Piaui | Brazil | -5.03 | -41.12 | 941 | 318 |
| Sao Bento | city | Piaui | Brazil | -7.20 | -41.10 | 1669 | 2019 |
| Sao Bento | city | Piaui | Brazil | -6.02 | -41.52 | 1000 | 0 |
| Sao Bento 2 | city | Piaui | Brazil | -6.20 | -41.60 | 1010 | 0 |
| Sao Bento 3 | city | Piaui | Brazil | -6.95 | -40.72 | 1797 | 0 |
| Sao Bernardo | city | Piaui | Brazil | -4.64 | -42.06 | 400 | 1685 |
| Sao Bras | city | Piaui | Brazil | -9.07 | -42.98 | 1788 | 941 |
| Sao Caetano | city | Piaui | Brazil | -6.38 | -41.18 | 1669 | 0 |
| Sao Diogo | city | Piaui | Brazil | -8.37 | -44.80 | 872 | 263 |
| Sao Domingos | city | Piaui | Brazil | -6.45 | -41.50 | 1174 | 596 |
| Sao Domingos | city | Piaui | Brazil | -3.07 | -41.40 | 144 | 1371 |
| Sao Domingos | city | Piaui | Brazil | -7.68 | -41.55 | 1010 | 893 |
| Sao Domingos | city | Piaui | Brazil | -4.92 | -42.85 | 170 | 7522 |
| Sao Domingos | city | Piaui | Brazil | -8.28 | -42.03 | 1020 | 520 |
| Sao Felix | city | Piaui | Brazil | -9.52 | -44.10 | 1883 | 155 |
| Sao Felix | city | Piaui | Brazil | -5.12 | -42.60 | 830 | 2536 |
| Sao Felix | city | Piaui | Brazil | -5.93 | -42.11 | 830 | 1031 |
| Sao Francisco | city | Piaui | Brazil | -5.30 | -41.70 | 830 | 596 |
| Sao Francisco | city | Piaui | Brazil | -7.60 | -41.13 | 984 | 1395 |
| Sao Francisco | city | Piaui | Brazil | -7.25 | -42.54 | 830 | 910 |
| Sao Francisco | city | Piaui | Brazil | -4.90 | -42.07 | 830 | 894 |
| Sao Francisco | city | Piaui | Brazil | -3.63 | -42.29 | 298 | 1822 |
| Sao Francisco | city | Piaui | Brazil | -8.24 | -41.68 | 1669 | 647 |
| Sao Goncalo | city | Piaui | Brazil | -9.20 | -44.55 | 964 | 0 |
| Sao Goncalo | city | Piaui | Brazil | -6.23 | -42.86 | 269 | 15748 |
| Sao Goncalo | city | Piaui | Brazil | -4.68 | -41.42 | 1003 | 596 |
| Sao Joao | city | Piaui | Brazil | -10.30 | -44.13 | 1669 | 447 |
| Sao Joao | city | Piaui | Brazil | -3.74 | -42.65 | 78 | 999 |
| Sao Joao | city | Piaui | Brazil | -5.32 | -42.58 | 301 | 864 |
| Sao Joao | city | Piaui | Brazil | -5.07 | -42.68 | 830 | 143328 |
| Sao Joao | city | Piaui | Brazil | -7.22 | -40.90 | 1669 | 2004 |
| Sao Joao 2 | city | Piaui | Brazil | -6.68 | -41.25 | 1669 | 774 |
| Sao Joao Do Piauhy | city | Piaui | Brazil | -8.36 | -42.25 | 830 | 10030 |
| Sao Joao Vermelho | city | Piaui | Brazil | -8.63 | -42.48 | 1069 | 177 |
| Sao Joao da Vajota | city | Piaui | Brazil | -6.85 | -41.35 | 1000 | 1075 |
| Sao Joao do Piaui | city | Piaui | Brazil | -8.36 | -42.25 | 830 | 10030 |
| Sao Joaquim | city | Piaui | Brazil | -5.73 | -42.98 | 830 | 620 |
| Sao Jose | city | Piaui | Brazil | -5.80 | -42.25 | 830 | 676 |
| Sao Jose | city | Piaui | Brazil | -7.92 | -43.97 | 1099 | 57 |
| Sao Jose | city | Piaui | Brazil | -5.03 | -42.77 | 328 | 196267 |
| Sao Jose | city | Piaui | Brazil | -5.37 | -41.80 | 830 | 601 |
| Sao Jose | city | Piaui | Brazil | -5.80 | -42.47 | 830 | 6540 |
| Sao Jose 1 | city | Piaui | Brazil | -6.18 | -42.90 | 830 | 1665 |
| Sao Jose 2 | city | Piaui | Brazil | -6.25 | -41.95 | 830 | 596 |
| Sao Jose 3 | city | Piaui | Brazil | -6.27 | -41.45 | 944 | 8432 |
| Sao Jose do Olho D'agua | city | Piaui | Brazil | -5.93 | -42.23 | 895 | 621 |
| Sao Jose do Peixe | city | Piaui | Brazil | -7.49 | -42.56 | 830 | 3840 |
| Sao Jose do Sambito | city | Piaui | Brazil | -6.57 | -41.32 | 1233 | 578 |
| Sao Jose dos Orfaos | city | Piaui | Brazil | -3.86 | -42.43 | 328 | 5554 |
| Sao Juliao | city | Piaui | Brazil | -7.08 | -40.83 | 1669 | 5054 |
| Sao Leonardo | city | Piaui | Brazil | -5.07 | -42.73 | 406 | 205404 |
| Sao Lourenco | city | Piaui | Brazil | -9.17 | -42.54 | 1669 | 745 |
| Sao Lourenco | city | Piaui | Brazil | -5.80 | -42.42 | 830 | 596 |
| Sao Luis | city | Piaui | Brazil | -7.50 | -43.23 | 1115 | 0 |
| Sao Luis | city | Piaui | Brazil | -8.98 | -44.07 | 948 | 476 |
| Sao Luis 2 | city | Piaui | Brazil | -6.38 | -41.73 | 1010 | 12956 |
| Sao Miguel | city | Piaui | Brazil | -5.50 | -41.32 | 974 | 15457 |
| Sao Nicolau | city | Piaui | Brazil | -3.56 | -42.31 | 101 | 1639 |
| Sao Nicolau | city | Piaui | Brazil | -5.92 | -41.49 | 830 | 0 |
| Sao Paulo | city | Piaui | Brazil | -5.57 | -42.07 | 360 | 574 |
| Sao Pedro | city | Piaui | Brazil | -5.35 | -42.35 | 830 | 686 |
| Sao Raimundo | city | Piaui | Brazil | -4.73 | -42.83 | 301 | 1341 |
| Sao Raimundo II | city | Piaui | Brazil | -5.11 | -42.77 | 288 | 199926 |
| Sao Raymundo Nonato | city | Piaui | Brazil | -9.02 | -42.70 | 1669 | 16384 |
| Sao Sebastiao | city | Piaui | Brazil | -6.65 | -42.87 | 830 | 476 |
| Sao Teresa | city | Piaui | Brazil | -9.72 | -45.57 | 1145 | 23 |
| Sao Vicente | city | Piaui | Brazil | -5.72 | -41.70 | 908 | 0 |