Elopement Destinations (66001-66100)
- Secaucus, New Jersey, United States
- Sección 23, Puebla, Mexico
- Sección del Cerrito, México, Mexico
- Sechelt, British Columbia, Canada
- Seck, Rhineland-Palatinate, Germany
- Seckach, Baden-Württemberg, Germany
- Seckau, Styria, Austria
- Seclin, Hauts-de-France, France
- Secondigny, Nouvelle-Aquitaine, France
- Secret Harbour, Western Australia, Australia
- Sector H Tres, Oaxaca, Mexico
- Security-Widefield, Colorado, United States
- Sedalia, Missouri, United States
- Sedan, Kansas, United States
- Sedan, Grand Est, France
- Sedaví, Valencian Community, Spain
- Sedbergh, England, United Kingdom
- Sedco Hills, California, United States
- Seddon, Victoria, Australia
- Sede Nova, Rio Grande do Sul, Brazil
- Sedella, Andalusia, Spain
- Sedgefield, England, United Kingdom
- Sedgwick, Maine, United States
- Sedgwick, Kansas, United States
- Sedgwick County, Kansas, United States
- Sedgwick County, Colorado, United States
- Sediles, Aragon, Spain
- Sedro-Woolley, Washington, United States
- See, Tyrol, Austria
- Seebach, Thuringia, Germany
- Seebach, Baden-Württemberg, Germany
- Seebach, Carinthia, Austria
- Seebad Bansin, Mecklenburg-Vorpommern, Germany
- Seebad Heringsdorf, Mecklenburg-Vorpommern, Germany
- Seebenstein, Lower Austria, Austria
- Seeberg, canton of Bern, Switzerland
- Seebergen, Thuringia, Germany
- Seeboden, Carinthia, Austria
- Seeburg, Lower Saxony, Germany
- Seedorf, Uri, Switzerland
- Seedorf, canton of Bern, Switzerland
- Seedorf, Schleswig-Holstein, Germany
- Seedorf, Baden-Württemberg, Germany
- Seefeld, Bavaria, Germany
- Seefeld in Tirol, Tyrol, Austria
- Seeg, Bavaria, Germany
- Seeham, Salzburg, Austria
- Seehausen, Saxony-Anhalt, Germany
- Seehausen am Staffelsee, Bavaria, Germany
- Seeheilbad Graal-Müritz, Mecklenburg-Vorpommern, Germany
- Seeheim-Jugenheim, Hesse, Germany
- Seehof, Mecklenburg-Vorpommern, Germany
- Seekirchen am Wallersee, Salzburg, Austria
- Seekonk, Massachusetts, United States
- Seeland District, canton of Bern, Switzerland
- Seelbach, Baden-Württemberg, Germany
- Seeley, California, United States
- Seeley Lake, Montana, United States
- Seelingstädt, Thuringia, Germany
- Seelitz, Saxony, Germany
- Seelow, Brandenburg, Germany
- Seelyville, Indiana, United States
- Seelze, Lower Saxony, Germany
- Seen (Kreis 3), canton of Zürich, Switzerland
- Seen (Kreis 3) / Büelwiesen, canton of Zürich, Switzerland
- Seen (Kreis 3) / Ganzenbühl, canton of Zürich, Switzerland
- Seen (Kreis 3) / Oberseen, canton of Zürich, Switzerland
- Seen (Kreis 3) / Waldegg, canton of Zürich, Switzerland
- Seen (Kreis 3) / Waser, canton of Zürich, Switzerland
- Seend, England, United Kingdom
- Seengen, Aargau, Switzerland
- Seeon-Seebruck, Bavaria, Germany
- Seer Green, England, United Kingdom
- Seesen, Lower Saxony, Germany
- Seeshaupt, Bavaria, Germany
- Seevetal, Lower Saxony, Germany
- Seewalchen, Upper Austria, Austria
- Seewalchen, Salzburg, Austria
- Seferihisar, İzmir Province, Turkey
- Seffner, Florida, United States
- Seftigen, canton of Bern, Switzerland
- Sefton, England, United Kingdom
- Sefton, New South Wales, Australia
- Sefton, United Kingdom
- Sefton Park, South Australia, Australia
- Segart, Valencian Community, Spain
- Seget, Split-Dalmatia County, Croatia (Hrvatska)
- Seget Vranjica, Split-Dalmatia County, Croatia (Hrvatska)
- Seggauberg, Styria, Austria
- Seggebruch, Lower Saxony, Germany
- Seghill, England, United Kingdom
- Seglingen, canton of Zürich, Switzerland
- Segonzac, Nouvelle-Aquitaine, France
- Segorbe, Valencian Community, Spain
- Segovia, León Province, Spain
- Segovia, Antioquia Department, Colombia
- Segovia Province, Spain
- Segredo, Rio Grande do Sul, Brazil
- Segré, Pays de la Loire, France
- Seguin, Texas, United States