This is a list of municipalities in Bulgaria 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 Antonovo
Beymelek (Demre), Turkey Roccafiorita, Italy
Asenovgrad
Bergama, Turkey Denpasar, Indonesia Derinkuyu, Turkey Dimitrovgrad, Serbia Kilkis, Greece Naousa, Greece Nilüfer, Turkey Prilep, North Macedonia Stary Oskol, Russia
Aytos
Silivri, Turkey Traismauer, Austria
B Balchik
Boxberg, Germany Bran, Romania Cieszyn, Poland Galich, Russia
Mangalia, Romania Stará Ľubovňa, Slovakia Tambov, Russia Valašské Meziříčí, Czech Republic
Bansko
Kriva Palanka, North Macedonia Petroșani, Romania Triandria, Greece Zakopane, Poland
Belene
Belleville-sur-Loire, France Devrek, Turkey Hajdúsámson, Hungary Lázně Bělohrad, Czech Republic Obninsk, Russia Popești-Leordeni, Romania Vigonza, Italy
Blagoevgrad
Čakovec, Croatia Delčevo, North Macedonia Gornji Milanovac, Serbia Székesfehérvár, Hungary
Bolyarovo
Kofçaz, Turkey Vyssa, Greece
Botevgrad
Holbæk, Denmark Saransk, Russia
Burgas
Alexandroupoli, Greece Batumi, Georgia Gomel, Belarus Krasnodar, Russia Miskolc, Hungary Rijeka, Croatia Rotterdam, Netherlands South-Western AO (Moscow), Russia Ulsan, South Korea Vologda, Russia Yantai, China Yaroslavl, Russia
D Dimitrovgrad
Blida, Algeria Darkhan, Mongolia Dimitrovgrad, Russia Eisenhüttenstadt, Germany Grosseto, Italy Jiaojiang (Taizhou), China Kalamaria, Greece Kazincbarcika, Hungary Nowa Huta (Kraków), Poland Pivdenne, Ukraine
Dobrich
Białystok, Poland
Golmud, China Izmail, Ukraine Kavadarci, North Macedonia Kırklareli, Turkey Nizhny Novgorod, Russia Nowy Sącz County, Poland Pervomaisk, Ukraine Pinsk, Belarus Saratov, Russia Schaffhausen, Switzerland Tambov, Russia Zalaegerszeg, Hungary
Dolni Chiflik
Grünheide, Germany Izabelin, Poland Krynychne, Ukraine Vysoké Mýto, Czech Republic
Dupnitsa
Bosilegrad, Serbia Bryansk, Russia Kriva Palanka, North Macedonia
Dve Mogili
Altınova, Turkey Berovo, North Macedonia Bielsk Podlaski, Poland Bucșani, Romania Călărași, Moldova
Prundu Bârgăului, Romania
G Gabrovo
Aalst, Belgium Chernihiv, Ukraine Kumanovo, North Macedonia Mittweida, Germany Mogilev, Belarus Mytischi, Russia Nowy Sącz, Poland Panevėžys, Lithuania Petah Tikva, Israel Prešov, Slovakia Shaki, Azerbaijan Sisak, Croatia Thun, Switzerland
Gorna Oryahovitsa
Artsyz, Ukraine Büyükçekmece, Turkey Cherepovets, Russia Myrhorod, Ukraine Narva, Estonia Roșiorii de Vede, Romania Smalyavichy, Belarus Statte, Italy Szigetszentmiklós, Hungary Waren an der Müritz, Germany
H Haskovo
Châtillon-sur-Indre, France Edirne, Turkey Enguera, Spain Leicester, England, United Kingdom Shatura, Russia Viseu, Portugal
Hisarya
Aiani, Greece Aleksinac, Serbia Hilsenheim, France
I Ivaylovgrad
Kyprinos, Greece Longueau, France
K Kardzhali
East Staffordshire, England, United Kingdom Edirne, Turkey Elkhart, United States Filippoi, Greece Komotini, Greece Osmangazi, Turkey Silivri, Turkey Soufli, Greece Tekirdağ, Turkey Vladimir, Russia
Karlovo
Baranavichy, Belarus Bryansk, Russia Konin, Poland Vladimir, Russia
Kavarna
Babadag, Romania Bosilegrad, Serbia Çiftlikköy, Turkey Csopak, Hungary Kaarma (Saaremaa), Estonia Kostrzyn nad Odrą, Poland Kruševo, North Macedonia Michalovce, Slovakia Năvodari, Romania Padenghe sul Garda, Italy Pefki, Greece Petit-Croix, France Piazzola sul Brenta, Italy Pivdenne, Ukraine Podolsk, Russia Prizren, Kosovo Shcherbinka (Moscow), Russia Skarżysko-Kamienna, Poland Stare Babice, Poland Štip, North Macedonia Szente, Hungary Zaječar, Serbia
Kazanlak
Alexandria, Egypt Blida, Algeria Cazzago San Martino, Italy Cremona, Italy Grasse, France Jinan, China Jungnang (Seoul), South Korea Kočani, North Macedonia Luxor, Egypt Nagykanizsa, Hungary Saint-Herblain, France Târgoviște, Romania Tolyatti, Russia Veria, Greece
Kozloduy
Bechet, Romania Bosilegrad, Serbia Calafat, Romania Copeland, England, United Kingdom
Kubrat
Åmål, Sweden Mtsensk, Russia Skuodas, Lithuania
Videle, Romania
Kyustendil
Leskovac, Serbia Rechytsa, Belarus
L Lom
Băilești, Romania Debar, North Macedonia Moudania, Greece Pantelej (Niš), Serbia
Lovech
Berat, Albania Erfurt, Germany Iziaslav, Ukraine Kolašin, Montenegro Laval, France Lotoshinsky District, Russia Ryazan, Russia Syktyvkar, Russia
M Madan
Avanos, Turkey İhsaniye, Turkey Nestos, Greece Pendik, Turkey Rieulay, France Süloğlu, Turkey
Montana
Alpignano, Italy Banská Bystrica, Slovakia Białogard, Poland Caracal, Romania Dzerzhinsky, Russia Fontaine-Vercors, France
Medijana (Niš), Serbia Pirot, Serbia Schmalkalden, Germany Vranje, Serbia Yinchuan, China Zhytomyr, Ukraine
N Nesebar
Kotor, Montenegro Mtskheta, Georgia Pestszentlőrinc-Pestszentimre (Budapest), Hungary Safranbolu, Turkey Zvyozdny gorodok, Russia
Nova Zagora
Feres, Greece Petroșani, Romania
P Panagyurishte
Kavadarci, North Macedonia Zhodzina, Belarus
Pavlikeni
Boldești-Scăeni, Romania Leova, Moldova Łomża, Poland Pruzhany, Belarus Torrelodones, Spain
Pazardzhik
Aerodrom (Skopje), North Macedonia Chekhov, Russia Salerno, Italy Al-Salt, Jordan Stavropol, Russia Thái Bình, Vietnam West Bend, United States
Pernik
Balashikha, Russia Elektrostal, Russia
Jenin, Palestine Kavadarci, North Macedonia Lausanne, Switzerland Lublin, Poland Luhansk, Ukraine
Orosei, Italy Orsha, Belarus Ovar, Portugal Pantelej (Niš), Serbia Pardubice, Czech Republic Pyongsong, North Korea Rožaje, Montenegro
Petrich
Istra, Russia Mioveni, Romania Serres, Greece
Pleven
Agadir, Morocco Bitola, North Macedonia Brăila, Romania Brest, Belarus Bursa, Turkey Central AO (Moscow), Russia Charlottesville, United States Gandia, Spain Gornji Milanovac, Serbia Jinzhou, China Kaiserslautern, Germany Kavadarci, North Macedonia Mykolaiv, Ukraine Ponta Delgada, Portugal Płock, Poland Rostov-on-Don, Russia Volos, Greece Yangquan, China
Plovdiv
Bursa, Turkey Changchun, China Columbia, United States Daegu, South Korea Gyumri, Armenia Istanbul, Turkey Jeddah, Saudi Arabia Kastoria, Greece Košice, Slovakia Kumanovo, North Macedonia Leskovac, Serbia Lviv, Ukraine Okayama, Japan Petra, Jordan Saint Petersburg, Russia Samarkand, Uzbekistan Shenzhen, China Thessaloniki, Greece Valencia, Venezuela Yekaterinburg, Russia
Pomorie
Ajak, Hungary Gorodets, Russia Nea Anchialos, Greece Troitsk, Russia Yenice, Turkey
Provadia
Bilhorod-Dnistrovskyi, Ukraine Rokiškis, Lithuania
R Razgrad
Armagh, Northern Ireland, United Kingdom Avcılar, Turkey Călărași, Romania Châlons-en-Champagne, France Odunpazarı, Turkey Slobozia, Romania Wittenberge, Germany
Ruse
Bijeljina, Bosnia and Herzegovina Giurgiu, Romania Huainan, China Peristeri, Greece Saint-Ouen-sur-Seine, France Trogir, Croatia Újbuda (Budapest), Hungary Volgograd, Russia
S Samokov Kostroma, Russia
Sandanski
Ataşehir, Turkey Dzerzhinsky (Volgograd), Russia Freudenstadt, Germany Mělník, Czech Republic
Novokosino (Moscow), Russia Thasos, Greece Voskresensk, Russia
Sevlievo
Gevgelija, North Macedonia Legionowo, Poland Nanhai (Foshan), China Szentes, Hungary Valašské Meziříčí, Czech Republic
Shumen
Barnaul, Russia Debrecen, Hungary Kherson, Ukraine
Podolsk, Russia Tournai, Belgium Tulcea, Romania Zhengzhou, China
Silistra
Călărași, Romania Dunaújváros, Hungary Khmelnytskyi, Ukraine Kikinda, Serbia Leskovac, Serbia Lüleburgaz, Turkey Promissão, Brazil Rzhev, Russia Sakuragawa, Japan Slobozia, Romania
Sliven
Alba Iulia, Romania Chongqing, China Gera, Germany Jerash, Jordan Kaisariani, Greece Melitopol, Ukraine Pécs, Hungary Svietlahorsk, Belarus Taraclia, Moldova Tekirdağ, Turkey Ternopil, Ukraine Voronezh, Russia
Smolyan
Controguerra, Italy Gostivar, North Macedonia Kispest (Budapest), Hungary Martinsicuro, Italy Michurinsk, Russia Motril, Spain Pendik, Turkey Suhl, Germany Võru, Estonia Xanthi, Greece Yalova, Turkey
Sofia
Algiers, Algeria Amman, Jordan Ankara, Turkey Bucharest, Romania Doha, Qatar Ho Chi Minh City, Vietnam Kyiv, Ukraine Pittsburgh, United States Shanghai, China Tbilisi, Georgia Tel Aviv, Israel Zagreb, Croatia
Sozopol
Alushta, Ukraine Sighișoara, Romania
Stara Zagora
Barreiro, Portugal
Larissa, Greece Radom, Poland Samara, Russia Yueyang, China
Strelcha
Bleicherode, Germany Călimănești, Romania Orneta, Poland Yessentuki, Russia
Strumyani
Kuşadası, Turkey Târgu Mureș, Romania
Sungurlare Jastrebarsko, Croatia
Svilengrad
Didymoteicho, Greece Feres, Greece Lefortovo (Moscow), Russia Oebisfelde-Weferlingen, Germany Soufli, Greece Uzunköprü, Turkey
Svishtov
Barcelos, Portugal Bijelo Polje, Montenegro Dębica, Poland Frigento, Italy Hrubieszów, Poland Ismailia, Egypt Kapuvár, Hungary Kremenchuk, Ukraine Ludza, Latvia Nafpaktos, Greece Prijepolje, Serbia
Veles, North Macedonia Videle, Romania Zheleznogorsk, Russia
Svoge is a member of the Charter of European Rural Communities, a town twinning association across the European Union. Svoge also has two other twin towns.
Charter of European Rural Communities Bienvenida, Spain Bièvre, Belgium Bucine, Italy Cashel, Ireland Cissé, France Desborough, England, United Kingdom Esch (Haaren), Netherlands Hepstedt, Germany Ibănești, Romania Kandava (Tukums), Latvia Kannus, Finland Kolindros, Greece Lassee, Austria Medzev, Slovakia Næstved, Denmark Nagycenk, Hungary Nadur, Malta Ockelbo, Sweden Pano Lefkara, Cyprus Põlva, Estonia Samuel (Soure), Portugal Starý Poddvorov, Czech Republic Strzyżów, Poland Tisno, Croatia Troisvierges, Luxembourg Žagarė (Joniškis), Lithuania Other Novi Grad, Bosnia and Herzegovina Stupava, Slovakia
T Targovishte
Cottbus, Germany Kozani, Greece Santa Maria da Feira, Portugal Smolensk, Russia Târgoviște, Romania Waterloo, United States
Troyan
Dojran, North Macedonia Ellwangen, Germany Pernes-les-Fontaines, France Vigneux-sur-Seine, France
Tryavna is a member of the Douzelage, a town twinning association of towns across the European Union. Tryavna also has three other twin towns.
Douzelage Agros, Cyprus Altea, Spain Asikkala, Finland Bad Kötzting, Germany Bellagio, Italy Bundoran, Ireland Chojna, Poland Granville, France Holstebro, Denmark Houffalize, Belgium Judenburg, Austria Kőszeg, Hungary Marsaskala, Malta Meerssen, Netherlands Niederanven, Luxembourg Oxelösund, Sweden Preveza, Greece Rokiškis, Lithuania Rovinj, Croatia Sesimbra, Portugal Sherborne, England, United Kingdom Sigulda, Latvia Siret, Romania Škofja Loka, Slovenia Sušice, Czech Republic Türi, Estonia Zvolen, Slovakia Other Brienz, Switzerland Vinica, North Macedonia Żyrardów, Poland
Tundzha
Madaba, Jordan Slonim, Belarus Warta, Poland
Tvarditsa Soroksár (Budapest), Hungary
V Varna
Aalborg, Denmark Aqaba, Jordan Cape Town, South Africa Dordrecht, Netherlands Kharkiv, Ukraine Malmö, Sweden Ningbo, China Novorossiysk, Russia Novosibirsk, Russia Odesa, Ukraine Piraeus, Greece Rostock, Germany Surabaya, Indonesia Turku, Finland Urmia, Iran
Veliko Tarnovo
Asti, Italy Bitola, North Macedonia Braga, Portugal Bursa, Turkey Cetinje, Montenegro Colonia Tovar, Venezuela Iaşi, Romania Al-Karak, Jordan Nakhchivan, Azerbaijan Niš, Serbia Serres, Greece Tarxien, Malta Toledo, Spain Tver, Russia
Velingrad
Maladzyechna, Belarus Silivri, Turkey Stupino, Russia Yakutsk, Russia
Vidin
Calafat, Romania Demre, Turkey Hódmezővásárhely, Hungary Rivne, Ukraine West Carrollton, United States Zaječar, Serbia
Vratsa
Bor, Serbia Craiova, Romania