| Saar | H Szar | ||
| Saaz | CZ Zatec | ||
| Sachsendorf | SLO Zalec | ||
| Sachsental | R Valea Sasilor | ||
| Sadow | PL Sandow | ||
| Sagan | PL Zagan | ||
| Sagor | SLO Zagorje | ||
| Sahlit | LV Zalite | ||
| Sairach | SLO Ziri | ||
| Saitz | CZ Zajeci | ||
| Saldenhofen | SLO Vuzenica | ||
| Salzbrunn | PL Szczawno Zdroj | ||
| Sandau | CZ Zandov | ||
| Sanditten | RUS Lunino | ||
| Sankt Benedikt a.d. Gran | SK Horsky Benadik | ||
| Sankt Georgen | YU Gjurgjevac | ||
| Sanktgeorgen Stadt | R Sfintul Gheorghe | H Sepsiszentgyörgy | |
| Saporoschje-Alexandrowsk | UKR Alexandrowsk =Saporoschje |
||
| Sathmar | R Satu Mare | H Szatmar-Nemeti | |
| Saybusch | PL Cywiec | ||
| Saybusch | PL Cywiec | ||
| Schaberau | RUS Istrowka | ||
| Schaulen | LT Schjauljai (Siauliai) | ||
| Schellendorf | RUS Babuschkino | ||
| Schemling | H Vertessomlo | ||
| Schemmel | CZ Vsemily | ||
| Schemnitz | SK Banska Stiavnica | ||
| Schenkendorf | PL Sekowice | ||
| Schillen | RUS Schilino | ||
| Schillenigken>Kaimelskrug | |||
| Schimitz | CZ Zidenice | ||
| Schippenbeil | PL Sempopol | ||
| Schlackenwerth | CZ Ostrov nad Ohri | ||
| Schlaggenwald | CZ Horni Slavkov | ||
| Schlanz | PL Kryzowice | ||
| Schlehen | PL Tarnowo Podgorne | ||
| Schlesisch Stein=Groß St. | PL Kamien Slask | ||
| Schlobitten | PL Slobity | ||
| Schlodien | PL Gladysze | ||
| Schloßberg<Pillkallen | RUS Dobrowolsk | ||
| Schluckenau | CZ Sluknov | ||
| Schmiedeberg | CZ Kovarska | ||
| Schmiedeberg | PL Kowary | ||
| Schnauhübel | CZ Snezna | ||
| Schneidemühl | PL Pila | ||
| Scholmar | H Solymar | ||
| Schomberg | H Somberek | ||
| Schoßberg | CS Sastin | H Sasvar | |
| Schradental | R Valea Scradei | ||
| Schreiberhau | PL Szklarska Poreba | ||
| Schreibersdorf | SK Hnevosice | ||
| Schulzenwalde<Bolin | RUS Dobrawa | ||
| Schwalbach | UA Svaljava | ||
| Schwarzbach | SLO Crna | ||
| Schwarzwasser | PL Czarna Woda | ||
| Schwed | RUS Swonarewka -Krasnojar |
||
| Schweidnitz | PL Swidnica | ||
| Schwenten | PL Swietno | ||
| Schwessow | PL Swieszewo | ||
| Schwetz | PL Swiecie | ||
| Schwientochlowitz | PL Zgoda | ||
| Schützen | CS Velke Levary | ||
| Schäßburg | R Sighisoara | H Segesvar | |
| Schöllschitz | CZ Zelesice | ||
| Schönbach | CZ Mezibori | ||
| Schönbach | CZ Luby | ||
| Schönberg | PL Szymbark | ||
| Schönborn | UA Veliki Koropee | ||
| Schönbruch | PL Schokowo | ||
| Schönhorst | PL Gniazdowo | ||
| Schönlinde | CZ Krasna Lipa | ||
| Schönlinde | CZ Krasna Lipa | ||
| Seepothen | RUS Golubewo | ||
| Seisenberg | YU Zuzemperk | ||
| Seitendorf | PL Zatonie | ||
| Sellin | PL Zielin | ||
| Selzach | SLO Selca | ||
| Sensburg | PL Zadsbork | ||
| Sensburg | PL Mrongrowo | ||
| Sillein | SK Zilina | ||
| Sitten | LT Sion | ||
| Skalitz | CS Szakolcza | ||
| Skotschau | PL Skoczow | ||
| Skythal | CZ Skytaly | ||
| Slatnig | CZ Zlatniky | ||
| Sobieslau | CZ Sobeslav | ||
| Sodow | PL Sadow | ||
| Sohrau | PL Zory | ||
| Soldin | PL Mysliborz | ||
| Sommerfeld | PL Lubsko | ||
| Sonnenberg | CZ Suniperk -> Vusluni | ||
| Sorau | SRB Zary | PL Zary | |
| Sorquitten | PL Sorkwity | ||
| Spirdingsee | PL Sniardwy | ||
| Springborn | PL Stoizek Klasztorny | ||
| St. Georgen | SLO Sv. Jurij | ||
| St. Joachimsthal | CZ Jachymov | ||
| St. Marein | SLO Smarje | ||
| St. Petersburg | RUS Leningrad >StPeterburg |
||
| St. Veit | SLO St. Vid | ||
| Stalle | PL Stalewo | ||
| Stallupönen>Ebenrode | RUS Nesterow | ||
| Stanislau | UA Ivano Frankivsk | ||
| Stannaitschen | RUS Furmanowo | ||
| Stargard | PL Stargard Szczec. | ||
| Starkenbach | CZ Jilemnice | ||
| Stein | SLO Kamnik | ||
| Steinamanger | H Szombathely | ||
| Steinau | PL Scinawa | ||
| Steinbrück | SLO Zidani Most | ||
| Steinort | PL Sztynort | ||
| Steinschönau | CZ Kamenicky Senov | ||
| Stenken | RUS Libovka | ||
| Sterntal | SLO Strnisce | ||
| Stettin | PL Szczecin | ||
| Stillersfeld=Stollarzowit | PL Stolarzowice | ||
| Stollarzowitz=Stillersfel | PL Stolarzowice | ||
| Stolp | PL Slupsk | ||
| Straßburg | R Ajud | H Nagy Enyed | |
| Strelitz | CZ Strelice | ||
| Striegau | PL Strzegom | ||
| Stubenbach | CZ Prasily | ||
| Stuhlweißenburg | H Szekesfehervar | ||
| Stuhm | PL Sztum | ||
| Stüblau | PL Steblowo | ||
| Sudauen | PL Suwalki | ||
| Svilara | YU Sremska Mitrovica | ||
| Swerdlowsk | RUS Jekaterinenburg =Swerdlowsk |
||
| Swinemünde | PL Swinoujscie |