| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Salauli | city | State of Arunachal Pradesh | India | 15.2 | 74.1666667 | 127 | 12573 |
| Saligao | city | State of Arunachal Pradesh | India | 15.55 | 73.7666667 | 29 | 62587 |
| Sancoale | city | State of Arunachal Pradesh | India | 15.3666667 | 73.9 | 134 | 62674 |
| Sancordam | city | State of Arunachal Pradesh | India | 15.4 | 74.1833333 | 439 | 15009 |
| Sancordem | city | State of Arunachal Pradesh | India | 15.4 | 74.1833333 | 439 | 15009 |
| Sancordám | city | State of Arunachal Pradesh | India | 15.4 | 74.1833333 | 439 | 15009 |
| Sangod | city | State of Arunachal Pradesh | India | 15.3833333 | 74.1666667 | 426 | 15009 |
| Sanguem | city | State of Arunachal Pradesh | India | 15.2333333 | 74.1666667 | 72 | 12097 |
| Sanquelim | city | State of Arunachal Pradesh | India | 15.5833333 | 74 | 255 | 50167 |
| Santa Cruz | city | State of Arunachal Pradesh | India | 15.4666667 | 73.8333333 | 167 | 40984 |
| Sanvordem | city | State of Arunachal Pradesh | India | 15.2666667 | 74.1166667 | 59 | 32588 |
| Sarvona | city | State of Arunachal Pradesh | India | 15.5833333 | 73.95 | 39 | 76363 |
| Sarzora | city | State of Arunachal Pradesh | India | 15.2 | 73.9833333 | 29 | 92920 |
| Serula | city | State of Arunachal Pradesh | India | 15.5333333 | 73.8333333 | 206 | 64188 |
| Sigao | city | State of Arunachal Pradesh | India | 15.3333333 | 74.1833333 | 269 | 12222 |
| Silidao | city | State of Arunachal Pradesh | India | 15.4333333 | 73.8666667 | 0 | 48230 |
| Siolim | city | State of Arunachal Pradesh | India | 15.6166667 | 73.7666667 | 45 | 75792 |
| Sirgao | city | State of Arunachal Pradesh | India | 15.6 | 73.9 | 131 | 80369 |
| Sirgão | city | State of Arunachal Pradesh | India | 15.6 | 73.9 | 131 | 80369 |
| Siridao | city | State of Arunachal Pradesh | India | 15.4333333 | 73.8666667 | 0 | 48230 |
| Siridão | city | State of Arunachal Pradesh | India | 15.4333333 | 73.8666667 | 0 | 48230 |
| Sirigao | city | State of Arunachal Pradesh | India | 15.6 | 73.9 | 131 | 80369 |
| Sirigāo | city | State of Arunachal Pradesh | India | 15.6 | 73.9 | 131 | 80369 |
| Siroda | city | State of Arunachal Pradesh | India | 15.3 | 74.0166667 | 36 | 109278 |
| Sirvoi | city | State of Arunachal Pradesh | India | 15.2 | 74.0833333 | 108 | 36247 |
| Solim | city | State of Arunachal Pradesh | India | 15.6166667 | 73.7666667 | 45 | 75792 |
| Sulcorna | city | State of Arunachal Pradesh | India | 15.1 | 74.1666667 | 629 | 13754 |
| Surla | city | State of Arunachal Pradesh | India | 15.4833333 | 74.0333333 | 141 | 79502 |