| A Trianoni béke által Magyarországtól elcsatolt települések 1920. | |||
| Settlements detached from Hungary by the Treaty of Trianon 1920 | |||
| 1201 1400 | |||
| Bőd Császlóc | |||
| Legend | |||
| Village with Hungarian majority 1910 | town with Hungarian majority 1910 | city with Hungarian majority 1910 | |
| Village with Hungarian minority 1910 | town with Hungarian minority 1910 | city with Hungarian minority 1910 | |
| Village, no Hungarians 1910 | town, no Hungarians 1910 | city, no Hungarians 1910 | |
| magyar neve 1920-ban | hivatalos neve 1999 | elcsatolva 1920 | megjegyzés |
| Hungarian name 1920 | Official name 1999 | to country 1920 | |
| Bőd | Beudiu | Rumania | 1940-1944 to Hungary |
| Bödön | Bidiu | Rumania | 1940-1944 to Hungary |
| Bőfalu | Vel'ké Ripňany (Behynce) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Bögellő | Bohel'ov | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Bögölypatony | Orechová Potôň (Dolná Potôň) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Bögöz | Mugeni | Rumania | 1940-1944 to Hungary |
| Bökény | Buchin | Rumania | |
| Böki | Lemeany (Chabany) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Bölcsős | Kolibabovce | Czechoslovakia | 1939-1944 to Hungary, 1993 to Slovakia |
| Bölön | Belin | Rumania | 1940-1944 to Hungary |
| Bölzse | Bela | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Börvely | Berveni | Rumania | 1940-1944 to Hungary |
| Börvény | Vânători | Rumania | 1940-1944 to Hungary |
| Börzény | Bârza | Rumania | |
| Bős | Gabčíkovo | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Bősháza | Biuşa | Rumania | 1940-1944 to Hungary |
| Bözöd | Bezid | Rumania | 1940-1944 to Hungary |
| Bözödújfalu | Bezidu Nou | Rumania | 1940-1944 to Hungary |
| Brád | Brad | Rumania | |
| Bradacel | Brădăţel | Rumania | |
| Branyicska | Brănişca | Rumania | |
| Brassó | Braşov | Rumania | town |
| Brassó | Brăşeu | Rumania | |
| Brázova | Breazova | Rumania | |
| Breáza | Breaza | Rumania | |
| Bréb | Breb | Rumania | 1940-1944 to Hungary |
| Brébfalva | Brebeni | Rumania | 1940-1944 to Hungary |
| Brettyelin | Bretelin | Rumania | |
| Breza | Breza | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Breznóbánya | Brezno | Czechoslovakia | town, 1939-1944 and 1993 to Slovakia |
| Brezovica | Brezovica | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Briznik | Brâznic | Rumania | |
| Brogyán | Partizánske (Brodzany) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Brotuna | Brotuna | Rumania | |
| Brulya | Bruiu | Rumania | |
| Brunóc | Brunovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Brusztura | Lopuhiv | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Bucló | Buclovany | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Búcs | Búč | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Bucsány | Bučany | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Bucsesd | Buceş | Rumania | |
| Bucsonfalva | Buteasa | Rumania | 1940-1944 to Hungary |
| Bucsony | Bucium | Rumania | |
| Búcsúháza | amorín (Bučuháza) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Bucsum | Bucium | Rumania (j. Braşov) | |
| Bucsum | Bucium | Rumania (j. Hunedoara) | |
| Budaháza | Ruská (Budince) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Budamér | Budimir | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Budás | Tŕnie (Budička) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Budaszállás | Budiná | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Budatelke | Budeşti | Rumania | |
| Budatin | ilina (Budatín) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Budfalva | Budeşti | Rumania | 1940-1944 to Hungary |
| Budinc | Ictar-Budinţi | Rumania | |
| Budurló | Budurleni | Rumania | 1940-1944 to Hungary |
| Buglóc | Wiesfleck (Schreibersdorf) | Austria | 1938-1944 to Germany |
| Bugyfalva | Budeşti | Rumania | |
| Bugyikfala | Budikovany | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Bujánháza | Boineşti | Rumania | 1940-1944 to Hungary |
| Bujdos | Vâlcelele | Rumania | 1940-1944 to Hungary |
| Bujtur | Hunedoara (Buituri) | Rumania | |
| Bukova | Bucova | Rumania | |
| Bukovec | Bucovăţ | Rumania | |
| Bukovina | Bukovina | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Bukovinapodszkle | Bukowina + Podszkle | Poland | 1939-1944 to Slovakia |
| Bukuresd | Bucureşci | Rumania | |
| Bulbuk | Bulbuc | Rumania | |
| Bulcs | Bulci | Rumania | |
| Bulcsú | Berehovo (Buča) | Czechoslovakia | 1938-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Bulkeszi | Maglić | Yugoslavia | 1941-1944 to Hungary |
| Bulza | Bulza | Rumania | |
| Bulzesd | Bulzeştii de Jos + Bulzeştii de Sus | Rumania | |
| Bún | Boiu | Rumania | |
| Bunkós | Bunkovce | Czechoslovakia | 1939-1944 to Hungary, 1993 to Slovakia |
| Bunya | Bunea Mare | Rumania | |
| Bunyaszekszárd | have
been no more because of
depopulation |
Rumania | |
| Bunyila | Bunila | Rumania | |
| Bunyita | Bunetice | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Burgóhegy | Burgauberg-Neudauberg
(Burgauberg) |
Austria | 1938-1944 to Germany |
| Burjánfalva | Păuliş | Rumania | |
| Búrszentgyörgy | Borský Jur | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Búrszentmiklós | Borský Mikulá | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Búrszentpéter | Borský Mikulá (Borský Peter) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Burzsuk | Burjuc | Rumania | |
| Buság | Buşag | Rumania | 1940-1944 to Hungary |
| Busóc | Buovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Bussa | Buince | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Bústelek | Janíky (Bútelek) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Bustyaháza | Butino | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Butka | Budkovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Búza | Búza | Rumania | 1940-1944 to Hungary |
| Búzád | Buzad | Rumania | |
| Búzafalva | Valaliky (Buzice) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Búzaháza | Grâuşorul | Rumania | 1940-1944 to Hungary |
| Búzahely | Beznovci | Yugoslavia | 1941-1944 to Hungary, 1991 to Slovenia |
| Búzamező | Buzaş | Rumania | 1940-1944 to Hungary |
| Búzás | itná-Radia (itná) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Búzásbesenyő | Valea Izvoarelor | Rumania | |
| Búzásbocsárd | Bucerdea Grânoasă | Rumania | |
| Buzd | Boz | Rumania | |
| Buziásfürdő | Buziaş | Rumania | |
| Buzinka | Koice (Buzinka) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Buzita | Buzica | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Bűdfalva | Budinci | Yugoslavia | 1941-1944 to Hungary, 1991 to Slovenia |
| Büdöskő | Smrdárky | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Büdöskút | Steinbrunn | Austria | 1938-1944 to Germany |
| Bükkfalva | Bucovăţ | Rumania | |
| Bükkhegy | Sintar | Rumania | |
| Bükkörményes | Buzaş | Rumania | 1940-1944 to Hungary |
| Bükkös | Bichigiu | Rumania | 1940-1944 to Hungary |
| Bükköskút | Bzenica (Bukovina) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Bükköspatak | Bukovec | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Bükkszoldobágy | Homoroade (Solduba) | Rumania | 1940-1944 to Hungary |
| Bükktótfalu | Stremţ | Rumania | 1940-1944 to Hungary |
| Bürgezd | Bilghez | Rumania | 1940-1944 to Hungary |
| Bürkös | Bârghiş | Rumania | |
| Cabaj | Cabaj-Čápor (Cabaj) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Cajla | Pezinok (Cajla) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Cakó | Buzica | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Cebe | Ţebea | Rumania | |
| Cécke | Ţeţchea | Rumania | 1940-1944 to Hungary |
| Cege | Ţaga | Rumania | 1940-1944 to Hungary |
| Cégely | Cigel' | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Cegőtelke | Ţigău | Rumania | 1940-1944 to Hungary |
| Céke | Cejkov | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Cella | Ţela | Rumania | |
| Celna | Ţelna | Rumania | |
| Cente | Ţentea | Rumania | 1940-1944 to Hungary |
| Cerecel | Ţărăţel | Rumania | |
| Chizsne | Chyżne | Poland | 1939-1944 to Slovakia |
| Chlebnice | Chlebnice | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Ciblesfalva | Suplai | Rumania | 1940-1944 to Hungary |
| Cífer | Cífer | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Cigányfalva | Ţigăneştii de Criş | Rumania | 1940-1944 to Hungary |
| Cigányi | Crişeni | Rumania | 1940-1944 to Hungary |
| Cigányos | Veliki Lazi (Cihanyvci) | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Cigelka | Cigel'ka | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Cigla | Cigla | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Cikendál | Ţichindeal | Rumania | |
| Cikmántor | Ţigmandru | Rumania | |
| Cinfalva | Siegendorf im Burgenland | Austria | 1938-1944 to Germany |
| Cintos | Aţintiş | Rumania | |
| Cirókabéla | Belá nad Cirochou | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Cirókahosszúmező | Dlhé nad Cirochou | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Cirókaófalu | Starina | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Cobolyfalu | Soblahov | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Coborfalva | Popudinské Močidl'any (Močidl'any) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Cód | Sadu | Rumania | |
| Cófalva | Ţufalău | Rumania | 1940-1944 to Hungary |
| Cold | Ţăudu | Rumania | 1940-1944 to Hungary |
| Coptelke | Pădurenii | Rumania | 1940-1944 to Hungary |
| Csáb | Čebovce | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Csabaháza | Čabalovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csabaújfalu | Valea Unguraşului | Rumania | 1940-1944 to Hungary |
| Csabb | Nové Sady (Čab) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csábóc | Cabov | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csábrágsomos | Drienovo | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csábrágvarbók | Čabradský Vrbovok | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csaca | Čadca | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csácsó | Senica (Čáčov) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csajta | Schachendorf | Austria | 1938-1944 to Germany |
| Csák | Ciacova | Rumania | |
| Csákányháza | Čakanovce | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Csákfalva | Trenčín (Kubrá) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csákháza | Trenčín (Kubrica) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csákigorbó | Gârbou | Rumania | 1940-1944 to Hungary |
| Csáklya | Cetea | Rumania | |
| Csáklyó | Čaklov | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csákó | Cicău | Rumania | |
| Csákóc | Čekovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csáktornya | Čakovec | Yugoslavia | 1941-1944 to Hungary, 1991 to Croatia |
| Család | Čel'adice | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Családka | Čel'adince | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csalányos | Pôtor (ihl'ava) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csalár | Čeláre | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Csall | Čelovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csallóközaranyos | Zlatná nad Ostrove | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Csallóközkürt | Ohrady | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Csallköznádas | Trstená nad Ostrove | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Csallóköznyék | Vrakúň (Nekyje nad Ostrove) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Csallóközpósfa | Holice (Pófa) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Csallóköztárnok | Trnávka | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Csanálos | Urziceni | Rumania | 1940-1944 to Hungary |
| Csánk | Čankov | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Csantavér | Čantavír | Yugoslavia | 1941-1944 to Hungary |
| Csap | Čop | Czechoslovakia | 1938-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Csapolc | Rakoino (Čopivci) | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Csápor | Cabaj-Čápor (Čápor) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csárad | Čaradice | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csári | Čáry | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csarnahó | Černochov | Czechoslovakia | 1938-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Csarnatő | Černa | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Csarnó | ariské Čierne | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Csarnóháza | Bulz | Rumania | 1940-1944 to Hungary |
| Csarnólak | Čierna Lehota | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Császárfalu | Kaisersdorf | Austria | 1938-1944 to Germany |
| Császári | Sântioana (Cesariu) | Rumania | 1940-1944 to Hungary |
| Császárkőbánya | Bruckneudorf (Kaisersteinbruch) | Austria | 1938-1944 to Germany |
| Császkó | Častkov | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Császlóc | Koritn'ani (Časlivci) | Czechoslovakia | 1938-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |