 Alfano (SA): Zermatt (Switzerland) |
| Atrani (SA): Uggiano La Chiesa (Lecce - Apulia - Italy), since July 2006 |
| Baronissi (SA): Portes Les Valence (France), since September 2006 |
| Caiazzo (CE): Ochtendung (district of Mayen-Koblenz in Rhineland-Palatinate, Germany), since October 1996 |
| Calvanico (SA): Gresse en Vercors (France), since 2002 |
| Camerota (SA): Cittiglio (Varese-Lombardia-Italy) |
| Capaccio (SA): Eghion (Greece), since October 2005 |
| Castellabate (SA): Blieskastel (Germany) |
| Castelvenere (BN): Xewkija (Gozo Island - Malta) |
| Cava de' Tirreni (SA): Pittsfield (Massachusetts, United States); Kaunas (Lithuania); Schwerte (Germany); Gorzow (Poland) |
| Cetara (SA): Sète (France) |
| Lioni (AV): Sezze (Latina - Lazio - Italy); Piombino (Livorno - Tuscany - Italy); Rome (Lazio - Italy) |
| Monte di Procida (NA): Ithaca (Ionian Islands, Greece) |
| Naples (NA): Kagoshima (Japan), since 1960; Nablus (Gaza Strip); Zhengzhou (People’s Republic of China), since April 2007 |
| Nola (NA): Sutera (Caltanissetta - Sicily - Italy) |
| Oliveto Citra (SA): Szczawnica (Poland); Collesano (Palermo - Sicily - Italy) |
| Pagani (SA): Vaglia (Florence - Tuscany - Italy), since October 2003 |
| Pietrelcina (BN): San Giovanni Rotondo (Foggia - Apulia - Italy) |
| Pignataro Maggiore (CE): Sault (France) |
| Polla (SA): Steinenbronn (Germany) |
| Pompei (NA): Xi'an (People’s Republic of China); Tarragona (Spain) |
| Pontelandolfo (BN): Waterbury (Connecticut, United States) |
| Positano (SA): Thurnau (Bavaria, Germany), since 2000 |
| Quindici (AV): Bruces (Romania), since 2009 |
| Roccarainola (NA): Baracoa (Cuba) |
| Salerno (SA): Tohno (Japan), since 1984 |
| Sant'Angelo d'Alife (CE): L'Aquila (Abruzzo - Italy), since May 2008 |
| Sanza (SA): Klettgau (Germany), since August 2006 |
| Sarno (SA): Abergavenny (Wales - United Kingdom) |
| Vitulano (BN): Belcastel (France) |
The sister cities for the towns in Campania, the cooperative agreements with european and other towns all over the world
