This is a list of municipalities in Switzerland which have standing links to local communities in other countries known as "town twinning" (usually in Europe) or "sister cities" (usually in the rest of the world).
A Aarau
Neuchâtel, Switzerland Reutlingen, Germany
Acquarossa Presidente Franco, Paraguay
Affoltern im Emmental Hartmanice, Czech Republic
Aigle
L'Aigle, France Bassersdorf, Switzerland Tübingen, Germany
Allschwil
Blaj, Romania Pfullendorf, Germany
Arconciel Arconcey, France
Arni Pacov, Czech Republic
Assens Colombey-les-Deux-Églises, France
Ayent Saint-Brevin-les-Pins, France
B Balgach Hard, Austria
Balsthal Supraśl, Poland
Basel
Miami Beach, United States Shanghai, China
Bätterkinden Mirovice, Czech Republic
Baulmes Mont-Saint-Sulpice, France
Beatenberg Husinec, Czech Republic
Belp Telč, Czech Republic
Beringen
Behringen (Bispingen), Germany Behringen (Hörselberg-Hainich), Germany Behringen (Stadtilm), Germany Beringe (Peel en Maas), Netherlands Beringen, Belgium Beringen (Mersch), Luxembourg
Bern does not practice twinning with other cities.
Bex Tuttlingen, Germany
Biel/Bienne
Iserlohn, Germany San Marcos, Nicaragua
Biglen Černovice, Czech Republic
Bischofszell
Battaglia Terme, Italy Tuttlingen, Germany Waidhofen an der Ybbs, Austria
Bolligen
Diemtigen, Switzerland Hluboká nad Vltavou, Czech Republic
Bonstetten Bonstetten, Germany
Bottens Guéreins, France
Boussens Boussens, France
Breitenbach
Artegna, Italy Großbreitenbach, Germany
Brenzikofen Vyskytná, Czech Republic
Brienz
Albula/Alvra, Switzerland Shimada, Japan Tryavna, Bulgaria
Brig-Glis
Domodossola, Italy Langenthal, Switzerland San Jerónimo Norte, Argentina
Brugg Rottweil, Germany
Brusino Arsizio San José de Metán, Argentina
Bülach Santeramo in Colle, Italy
C Carouge Budavár (Budapest), Hungary
Céligny Bassi, Burkina Faso
Cham Cham, Germany
Champéry
Esperanza, Argentina Llandudno, Wales, United Kingdom
Chardonne Barbezieux-Saint-Hilaire, France
La Chaux (Cossonay) Saou, France
La Chaux-de-Fonds
Frameries, Belgium Winterthur, Switzerland
Cheseaux-sur-Lausanne Aubignan, France
Cheyres-Châbles Saint-Martial, France
Chur
Bad Homburg vor der Höhe, Germany Cabourg, France Mayrhofen, Austria Mondorf-les-Bains, Luxembourg Terracina, Italy
Corminboeuf Fussy, France
Crans-Montana Mandelieu-la-Napoule, France
D Davos
Aspen, United States Chamonix-Mont-Blanc, France Ueda, Japan
Delémont
Belfort, France La Trinidad, Nicaragua
Diemtigen
Bolligen, Switzerland Obersiggenthal, Switzerland Veselí nad Lužnicí, Czech Republic
Dietikon Kolín, Czech Republic
Dulliken Ammerndorf, Germany
Dürnten Szentbékkálla, Hungary
E Echichens Saint-Fiacre-sur-Maine, France
Eggiwil Nová Včelnice, Czech Republic
Eiken
Eecke, France Eke (Nazareth), Belgium Melle, Germany
Evolène Châtelaillon-Plage, France
F Flawil Isny im Allgäu, Germany
Forst-Längenbühl Dírná, Czech Republic
Frauenfeld Kufstein, Germany
Freienstein-Teufen Slatiňany, Czech Republic
Fribourg Rueil-Malmaison, France
Froideville La Pacaudière, France
Füllinsdorf Burgkirchen, Austria
G Geneva does not practice twinning with other cities to keep its neutrality.
Glarus Biebrich, Germany
Le Grand-Saconnex Carantec, France
Grenchen
Neckarsulm, Germany Sélestat, France
Grindelwald Matsumoto, Japan
Grosshöchstetten Žirovnice, Czech Republic
Gruyères Renaison, France
Gurbrü Lhenice, Czech Republic
H Hausen am Albis Letohrad, Czech Republic
Heimberg Horažďovice, Czech Republic
Hérémence Esperanza, Argentina
Herzogenbuchsee Senica, Slovakia
Hilterfingen Hersbruck, Germany
Hinwil Jablonné nad Orlicí, Czech Republic
Hünenberg
Banská Štiavnica, Slovakia Marly, Switzerland
I Illnau-Effretikon
Calanca, Switzerland Großbottwar, Germany Mont-sur-Rolle, Switzerland Orlová, Czech Republic
Interlaken
Huangshan, China Ōtsu, Japan Scottsdale, United States Třeboň, Czech Republic Zeuthen, Germany
J Jorat-Mézières Carrouges, France
K Kaisten Kaisten (Wasserlosen), Germany
Kallnach
Dolní Bukovsko, Czech Republic Nišovice, Czech Republic
Kiesen Želiv, Czech Republic
Kirchdorf Červená Řečice, Czech Republic
Klingnau Sankt Blasien, Germany
Köniz Prijepolje, Serbia
Konolfingen Počátky, Czech Republic
Krauchthal Kamenný Újezd, Czech Republic
Kreuzlingen
Cisternino, Italy Wolfach, Germany
Kriens San Damiano d'Asti, Italy
Küsnacht Červený Kostelec, Czech Republic
Küssnacht
Küssaberg, Germany Zduny, Poland
L Lachen Schramberg, Germany
Langenthal
Brig-Glis, Switzerland Neviano, Italy
Laufen Laufen, Germany
Lausanne
Akhisar, Turkey Bangkok, Thailand Osijek, Croatia Pernik, Bulgaria
Lengnau, Bern
Lengnau, Aargau, Switzerland Monteroni di Lecce, Italy Strakonice, Czech Republic
Liestal
Onex, Switzerland Sacramento, United States Waldkirch, Germany
Locarno
Gagra, Georgia Karlovy Vary, Czech Republic Lompoc, United States Montecatini Terme, Italy Urbino, Italy
Le Locle
Gérardmer, France Sidmouth, England, United Kingdom
Lostorf Rielasingen-Worblingen, Germany
Lotzwil Větřní, Czech Republic
Lucerne
Bournemouth, England, United Kingdom Chicago, United States Guebwiller, France Murbach, France Olomouc, Czech Republic Potsdam, Germany
Lugano Hangzhou, China
Lützelflüh Velike Lašče, Slovenia
Lyss Monopoli, Italy
M Martigny
Sursee, Switzerland Vaison-la-Romaine, France
Meisterschwanden Saint-Claude-de-Diray, France
Metzerlen-Mariastein Mariastein, Austria
Misery-Courtion Voiteur, France
Möhlin Zlín, Czech Republic
Monthey
Diekirch, Luxembourg Göd, Hungary Ivrea, Italy Tübingen, Germany
Montreux
Menton, France Wiesbaden, Germany
Moosseedorf Kaçanik, Kosovo
Morcote Viarmes, France
Morges
Rochefort, Belgium Vertou, France
Moudon Mazan, France
Mühleberg Schwanfeld, Germany
Münchenbuchsee
Landiswil, Switzerland Milevsko, Czech Republic
Müntschemier Hardheim, Germany
N Neuchâtel
Aarau, Switzerland Besançon, France Sansepolcro, Italy
Nottwil Schwaigern, Germany
Nyon Nyons, France
O Oberdiessbach
Féchy, Switzerland Kardašova Řečice, Czech Republic
Oberthal Chýnov, Czech Republic
Oberwil Aschau im Zillertal, Austria
Oberwil im Simmental
Čejetice, Czech Republic Guggisberg, Switzerland Ostermundigen, Switzerland
Olten Altenburg, Germany
Onex
Bandol, France Liestal, Switzerland Massagno, Switzerland
Oron
Bussac, France Vers-Pont-du-Gard, France
Orpund Brtnice, Czech Republic
Ostermundigen
Löhnberg, Germany Oberwil im Simmental, Switzerland
P Payerne Paray-le-Monial, France
Perroy
Châteauneuf-de-Gadagne, France Zofingen, Switzerland
Plaffeien Kasterlee, Belgium
Plan-les-Ouates
Birsfelden, Switzerland Sângeorgiu de Pădure, Romania Villefranche-sur-Mer, France
Pontresina Gaylord, United States
Port Holýšov, Czech Republic
Préverenges Préveranges, France
Pully Obernai, France
R Rafz Hetvehely, Hungary
Rapperswil-Jona
Aalborg, Denmark Bagno di Romagna, Italy
Reigoldswil
Bad Bellingen, Germany Petit-Landau, France
Riddes Esperanza, Argentina
Riehen Miercurea Ciuc, Romania
Riggisberg Myštice, Czech Republic
Risch Amaroni, Italy
Roggwil Blatná, Czech Republic
Rorbas Slatiňany, Czech Republic
Rorschach Sopron, Hungary
Rubigen Plánice, Czech Republic
Rüthi Wolfegg, Germany
S Saas-Fee
Rocca di Cambio, Italy Steamboat Springs, United States
Saillon Barbentane, France
Saint-Martin Esperanza, Argentina
Saxon Bouliac, France
Schaffhausen
Dobrich, Bulgaria Joinville, Brazil Sindelfingen, Germany
Varaždin, Croatia
Schenkon Schenkenzell, Germany
Schöfflisdorf Missolonghi, Greece
Schüpfen Lišov, Czech Republic
Schwerzenbach Aizpute, Latvia
Seftigen Kovářov, Czech Republic
Sevelen Issum, Germany
Sierre
Aubenas, France Cesenatico, Italy Schwarzenbek, Germany Zelzate, Belgium
Sigriswil
Lutry, Switzerland Villa General Belgrano, Argentina
Sion Colón, Argentina
Sirnach Helvécia, Hungary
Solothurn
Heilbronn, Germany Kraków, Poland Le Landeron, Switzerland
Soral Labeaume, France
Spreitenbach Bra, Italy
St. Moritz
Bariloche, Argentina Kutchan, Japan Vail, United States
Subingen
Nueva Helvecia, Uruguay Rosario, Uruguay
Suhr Castelnuovo Rangone, Italy
Sursee
Highland, United States Martigny, Switzerland
T Thierachern Sezimovo Ústí, Czech Republic
Thun Gabrovo, Bulgaria
La Tour-de-Peilz Ornans, France
Trient Esperanza, Argentina
Trimmis Weyregg am Attersee, Austria
Trub Novosedly nad Nežárkou, Czech Republic
Trubschachen
Midway, United States Strmilov, Czech Republic
Tübach Oberteuringen, Germany
Tuggen Zell am Harmersbach, Germany
U Uetendorf Sušice, Czech Republic
Urtenen-Schönbühl
Binn, Switzerland Dačice, Czech Republic
Uster Prenzlau, Germany
V Valbirse Tar, Hungary
Vétroz Beaumont-lès-Valence, France
Vevey
Carpentras, France Müllheim, Germany
Vex Esperanza, Argentina
Vucherens Droiturier, France
W Wetzikon
Badolato, Italy Mělník, Czech Republic
Wil
Dobrzeń Wielki, Poland Wangen im Allgäu, Germany
Winterthur
La Chaux-de-Fonds, Switzerland Hall in Tirol, Austria Plzeň, Czech Republic Yverdon-les-Bains, Switzerland
Wohlen Lermoos, Austria
Wünnewil-Flamatt Tápiógyörgye, Hungary
Y Yverdon-les-Bains
Nogent-sur-Marne, France Winterthur, Switzerland
Z Zermatt
Alfano, Italy Castro Daire, Portugal Fujikawaguchiko, Japan Lijiang, China Myōkō, Japan Sexten, Italy
Zollikofen Neudörfl, Austria
Zug
Fürstenfeld, Austria Vișeu de Sus, Romania
Zurich
Kunming, China San Francisco, United States
Zweisimmen Oberrot, Germany
References