| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sei Agul | city | Sumatera Utara | Indonesia | 3.61 | 98.65 | 147 | 1046640 |
| Sei Baharu Dua | city | Sumatera Utara | Indonesia | 3.74 | 98.61 | 52 | 148962 |
| Sei Baharu Satu | city | Sumatera Utara | Indonesia | 3.73 | 98.61 | 52 | 148962 |
| Sei Beras Sekata Pasar Delapan | city | Sumatera Utara | Indonesia | 3.55 | 98.59 | 193 | 345553 |
| Sei Beras Sekata Pasar Enam | city | Sumatera Utara | Indonesia | 3.56 | 98.61 | 180 | 571311 |
| Sei Beras Sekata Pasar Lima | city | Sumatera Utara | Indonesia | 3.56 | 98.60 | 180 | 487637 |
| Sei Beras Sekata Pasar Sembilan | city | Sumatera Utara | Indonesia | 3.54 | 98.60 | 200 | 410475 |
| Sei Beras Sekata Pasar Tujuh | city | Sumatera Utara | Indonesia | 3.56 | 98.60 | 180 | 523550 |
| Sei Datu Ujung | city | Sumatera Utara | Indonesia | 2.96 | 99.49 | 187 | 26700 |
| Sei Glugur | city | Sumatera Utara | Indonesia | 3.51 | 98.55 | 249 | 63026 |
| Sei Kambing | city | Sumatera Utara | Indonesia | 3.59 | 98.65 | 164 | 1200540 |
| Sei Kambing Dua | city | Sumatera Utara | Indonesia | 3.59 | 98.64 | 164 | 1024037 |
| Sei Kampak | city | Sumatera Utara | Indonesia | 2.77 | 99.49 | 232 | 12143 |
| Sei Kera Hulu | city | Sumatera Utara | Indonesia | 3.60 | 98.70 | 75 | 1090283 |
| Sei Kerahilir | city | Sumatera Utara | Indonesia | 3.60 | 98.70 | 75 | 1072580 |
| Sei Litur | city | Sumatera Utara | Indonesia | 3.76 | 98.23 | 170 | 14584 |
| Sei Litur Ujung | city | Sumatera Utara | Indonesia | 3.75 | 98.22 | 177 | 12205 |
| Sei Mati | city | Sumatera Utara | Indonesia | 3.72 | 98.69 | 6 | 262059 |
| Sei Mencirim Pasar Tujuh | city | Sumatera Utara | Indonesia | 3.54 | 98.53 | 229 | 78055 |
| Sei Merah Dua | city | Sumatera Utara | Indonesia | 3.52 | 98.83 | 134 | 94046 |
| Sei Merah Satu | city | Sumatera Utara | Indonesia | 3.52 | 98.83 | 124 | 94046 |
| Sei Merah Tiga | city | Sumatera Utara | Indonesia | 3.51 | 98.81 | 157 | 100196 |
| Sei Putih Barat | city | Sumatera Utara | Indonesia | 3.60 | 98.65 | 160 | 1173627 |
| Sei Putih Timur | city | Sumatera Utara | Indonesia | 3.59 | 98.66 | 164 | 1271731 |
| Sei Rampah | city | Sumatera Utara | Indonesia | 3.48 | 99.14 | 39 | 82614 |
| Sei Rengas Dua | city | Sumatera Utara | Indonesia | 3.59 | 98.70 | 108 | 995499 |
| Sei Rengas Satu | city | Sumatera Utara | Indonesia | 3.58 | 98.69 | 121 | 1084040 |
| Sei Roha | city | Sumatera Utara | Indonesia | 3.89 | 98.25 | 114 | 17793 |
| Sei Rotan Delapan | city | Sumatera Utara | Indonesia | 3.60 | 98.77 | 39 | 410126 |
| Sei Rotan Dua | city | Sumatera Utara | Indonesia | 3.61 | 98.78 | 36 | 218223 |
| Sei Rotan Dua Belas | city | Sumatera Utara | Indonesia | 3.62 | 98.78 | 26 | 220379 |
| Sei Rotan Satu | city | Sumatera Utara | Indonesia | 3.61 | 98.77 | 32 | 387722 |
| Sei Rotan Sebelas | city | Sumatera Utara | Indonesia | 3.62 | 98.78 | 29 | 220379 |
| Sei Rotan Sembilan | city | Sumatera Utara | Indonesia | 3.61 | 98.78 | 29 | 223750 |
| Sei Rotan Sepuluh | city | Sumatera Utara | Indonesia | 3.62 | 98.78 | 29 | 251867 |
| Sei Sikambing B | city | Sumatera Utara | Indonesia | 3.59 | 98.64 | 164 | 1057293 |
| Sei Sikambing C Dua | city | Sumatera Utara | Indonesia | 3.60 | 98.63 | 154 | 871459 |
| Sei Silo Barat | city | Sumatera Utara | Indonesia | 2.93 | 99.48 | 213 | 23576 |
| Sei Siur | city | Sumatera Utara | Indonesia | 4.10 | 98.23 | 3 | 30186 |
| Sei Tong-tong | city | Sumatera Utara | Indonesia | 3.38 | 98.97 | 209 | 29643 |
| Seibaharu I | city | Sumatera Utara | Indonesia | 3.73 | 98.61 | 52 | 148962 |
| Seibaharu II | city | Sumatera Utara | Indonesia | 3.74 | 98.61 | 52 | 148962 |
| Seibenang | city | Sumatera Utara | Indonesia | 3.65 | 98.43 | 160 | 160298 |
| Seiberassekatapasar 5 | city | Sumatera Utara | Indonesia | 3.56 | 98.60 | 180 | 487637 |
| Seiberassekatapasar 6 | city | Sumatera Utara | Indonesia | 3.56 | 98.61 | 180 | 571311 |
| Seiberassekatapasar 7 | city | Sumatera Utara | Indonesia | 3.56 | 98.60 | 180 | 523550 |
| Seiberassekatapasar 8 | city | Sumatera Utara | Indonesia | 3.55 | 98.59 | 193 | 345553 |
| Seiberassekatapasar 9 | city | Sumatera Utara | Indonesia | 3.54 | 98.60 | 200 | 410475 |
| Seibilah | city | Sumatera Utara | Indonesia | 4.03 | 98.29 | 16 | 49800 |
| Seikambing 2 | city | Sumatera Utara | Indonesia | 3.59 | 98.64 | 164 | 1024037 |
| Seilompong | city | Sumatera Utara | Indonesia | 3.00 | 99.43 | 232 | 21201 |
| Seimencirimpasar 7 | city | Sumatera Utara | Indonesia | 3.54 | 98.53 | 229 | 78055 |
| Seimerah 1 | city | Sumatera Utara | Indonesia | 3.52 | 98.83 | 124 | 94046 |
| Seimerah 2 | city | Sumatera Utara | Indonesia | 3.52 | 98.83 | 134 | 94046 |
| Seimerah 3 | city | Sumatera Utara | Indonesia | 3.51 | 98.81 | 157 | 100196 |
| Seirengas 1 | city | Sumatera Utara | Indonesia | 3.58 | 98.69 | 121 | 1084040 |
| Seirengas 2 | city | Sumatera Utara | Indonesia | 3.59 | 98.70 | 108 | 995499 |
| Seirotan 1 | city | Sumatera Utara | Indonesia | 3.61 | 98.77 | 32 | 387722 |
| Seirotan 10 | city | Sumatera Utara | Indonesia | 3.62 | 98.78 | 29 | 251867 |
| Seirotan 11 | city | Sumatera Utara | Indonesia | 3.62 | 98.78 | 29 | 220379 |
| Seirotan 12 | city | Sumatera Utara | Indonesia | 3.62 | 98.78 | 26 | 220379 |
| Seirotan 2 | city | Sumatera Utara | Indonesia | 3.61 | 98.78 | 36 | 218223 |
| Seirotan 8 | city | Sumatera Utara | Indonesia | 3.60 | 98.77 | 39 | 410126 |
| Seirotan 9 | city | Sumatera Utara | Indonesia | 3.61 | 98.78 | 29 | 223750 |
| Seisikambing C II | city | Sumatera Utara | Indonesia | 3.60 | 98.63 | 154 | 871459 |