| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Szécsán | city | Timis | Romania | 45.98 | 21.32 | 830 | 2867 |
| Szék | city | Arad | Romania | 46.47 | 22.03 | 830 | 2805 |
| Székely-Sombor | city | Brasov | Romania | 46.10 | 25.38 | 1830 | 1417 |
| Székelyandrásfalva | city | Harghita | Romania | 46.30 | 24.93 | 1669 | 3611 |
| Székelycsóka | city | Mures | Romania | 46.43 | 24.58 | 1669 | 3516 |
| Székelyderzs | city | Harghita | Romania | 46.20 | 25.20 | 1998 | 6115 |
| Székelyföldvár | city | Alba | Romania | 46.42 | 23.87 | 830 | 13671 |
| Székelyhidas | city | Cluj | Romania | 46.43 | 23.63 | 1902 | 2074 |
| Székelyhíd | city | Bihor | Romania | 47.35 | 22.10 | 830 | 12433 |
| Székelyjó | city | Cluj | Romania | 46.83 | 22.93 | 2057 | 2255 |
| Székelykakasd | city | Mures | Romania | 46.50 | 24.55 | 1669 | 140799 |
| Székelykocsárd | city | Alba | Romania | 46.43 | 23.90 | 830 | 8925 |
| Székelykövesd | city | Mures | Romania | 46.60 | 24.47 | 1115 | 5334 |
| Székelymoson | city | Mures | Romania | 46.57 | 24.73 | 1223 | 5359 |
| Székelymuzsna | city | Harghita | Romania | 46.20 | 25.15 | 1669 | 2114 |
| Székelypetőfalva | city | Covasna | Romania | 45.92 | 26.13 | 1840 | 6793 |
| Székelyszentlélek | city | Harghita | Romania | 46.37 | 25.23 | 1778 | 3378 |
| Székelyszentmiklós | city | Harghita | Romania | 46.33 | 25.08 | 1669 | 3452 |
| Székelyszállás | city | Mures | Romania | 46.37 | 24.77 | 1223 | 5354 |
| Székelytelek | city | Bihor | Romania | 46.87 | 21.90 | 830 | 1934 |
| Székelyuraly | city | Mures | Romania | 46.53 | 24.37 | 1669 | 6392 |
| Székelyvécke | city | Mures | Romania | 46.35 | 24.78 | 1240 | 4085 |
| Székelyzsombor | city | Brasov | Romania | 46.10 | 25.38 | 1830 | 1417 |
| Székesaranyág | city | Arad | Romania | 46.25 | 21.78 | 830 | 1493 |
| Székeskút | city | Arad | Romania | 46.08 | 20.98 | 282 | 4797 |
| Székesút | city | Arad | Romania | 46.08 | 20.98 | 282 | 4797 |
| Székeylveczke | city | Mures | Romania | 46.35 | 24.78 | 1240 | 4085 |
| Székudvar | city | Arad | Romania | 46.52 | 21.43 | 295 | 2126 |
| Székásbesenyő | city | Alba | Romania | 46.10 | 23.82 | 994 | 6704 |
| Székásgyepű | city | Sibiu | Romania | 45.97 | 23.88 | 1669 | 2576 |
| Székásszabadja | city | Alba | Romania | 46.07 | 23.78 | 1158 | 2680 |
| Székástóhát | city | Alba | Romania | 46.07 | 23.85 | 935 | 6017 |
| Székásveresegyháza | city | Alba | Romania | 46.05 | 23.88 | 961 | 4823 |
| Széltalló | city | Bihor | Romania | 47.30 | 22.42 | 830 | 5661 |
| Szénvásárhely | city | Gorj | Romania | 44.95 | 23.52 | 830 | 6373 |
| Szépkenyerűszentmárton | city | Cluj | Romania | 47.02 | 24.08 | 1181 | 2775 |
| Széplak | city | Arad | Romania | 46.15 | 21.47 | 377 | 6236 |
| Szépmezö | city | Alba | Romania | 46.22 | 24.02 | 977 | 4110 |
| Széptelep | city | Sibiu | Romania | 45.92 | 24.07 | 1171 | 3179 |
| Szér | city | Satu Mare | Romania | 47.38 | 22.97 | 830 | 2972 |