| Abbreviation | Definition |
|---|---|
| SETB | Timbre, Ecuador |
| SETE | Tena, Ecuador |
| SETG | Tenguel, Ecuador |
| SETH | Taisha, Ecuador |
| SETI | Tiputini, Ecuador |
| SETL | Tapaila, Ecuador |
| SETO | Pacto, Ecuador |
| SETR | Tarapoa, Ecuador |
| SETT | Teniente Ortiz, Ecuador |
| SETU | Tulcan El Rosal-Col. L.M. Guer, Ecuador |
| SEV | Severodoneck, Russia |
| SEVC | La Victoria, Ecuador |
| SEVI | Villano, Ecuador |
| SEVR | El Vergel, Ecuador |
| SEW | Siwa, Egypt |
| SEY | Selibaby, Mauritania |
| SEYA | Yaupi, Ecuador |
| SEZ | Mahe Island, Indian Ocean, Seychelles Island |
| SEZA | Zamora, Ecuador |
| SEZP | Zumba-Pucupamba, Ecuador |