Salt exports can be divided into:
Salt Production
Most important producers: Bay of Biscay, Languedoc and Provence (but also present in all coasts, especially for fisheries)
Genoese trade
for Hyères (Between Toulon and Niece). Famous in NW Europe [Pounds 1994]. 200m cwt/y Genoese trade [Adshead 1992]
Grasse · Francia · Catholic · 100%.
Started with Muslims, but was taken over by Genoese in 11th c. 25m cwt/y after supply to Aragon and Catalonia [Adshead 1992]
Tortosa · Iberia (Christian) · Catholic · 25%.
Cagliari, for Genoese trade [Adshead 1992]. 100m cwt/y
Cagliari · Italy · Catholic · 50%.
A Muslim source even after the Reconquista, and sold to Genoa and Venice [Adshead 1992]. 70m cwt/y early to Genoa, more later (before 15th c., when it became the biggest salt-producer in the world)
Iviza · Iberia (Muslim) · Muwalladi · 100%.
for Torrevieja and La Mata, mainly a Muslim source [Adshead 1992]. ? cwt/y (up to 200m in 15th c.)
Alicante · Iberia (Muslim) · Muwalladi · 50%.
for San Lúcar de Barrameda, the major Castillian source [Adshead 1992]. ? cwt/y
Jerez · Iberia (Muslim) · Catholic · 0.· 200%.
Venetian trade
main local source. Eventually crippled by a storm 13th c. [Adshead 1992]
Chioggia · Italy · Catholic · 50%.
Eventually taking over all others [Adshead 1992]
Piran · Italy · Catholic · 75%.
Comacchio and Pomposa, competing with Venice. Eventually closed by Venice [Adshead 1992]
Comacchio · Italy · Catholic · 75%.
Cervia under Ravenna’s archbishop, competing with Venice. Destruction vs. partnership with Venice [Adshead 1992]
Ravenna · Italy · Catholic · 50%.
for Pago in Zara region under indirect Venice control. 200m cwt/y Eventually paying quotas to Venice [Adshead 1992]
Nin · Italy · Catholic · 100%.
Tuscan trade
for Peccan, a late production center. up to 300m cwt/y in 15th c., became number 3 [Adshead 1992]
Nimes · Francia · Catholic · 75%.
for Camargue south of Arles. ?cwt [Adshead 1992]
Arles · Francia · Catholic · 50%.
for east of Rhone (like lagoon of Berre). ?cwt [Adshead 1992]
Marseille · Francia · Catholic · 50%.
Southern Italy
provided salt to Palermo (12th c.). ?cwt [Adshead 1992]
Trapani · Italy· Catholic · 15%.
for Apulia. ?cwt [Adshead 1992]
Siponto · Italy· Catholic · 15%.
NW Europe / Hanseatic trade (Herring industry)
Læsø island, the main local production center [Graham-Campbell 2007]
Lindholm · Scandinavia · Catholic · 25%.
Kolobrzeg, a lesser salt extraction site [Graham-Campbell 2007]
Kolobrzeg · Scandinavia · Catholic · 25%.
Bay Salt (Bourgneuf) – low quality but abundant, main source for Hansa (very late MA) [Adshead 1992] Famous in NW Europe [Pounds 1994]
Rais · Francia · Catholic · 75%.
Bay Salt from marshes shared with Brittany by Dukes of Poitou (very late MA) [Adshead 1992]. Up to 400m cwt/y, Famous in NW Europe [Pounds 1994]
Montaigu · Francia · Catholic · 25%.
“Bay Salt” from Brouage in Saintonge. Up to 800m cwt/y [Adshead 1992]
Royan · Francia · Catholic · 50%.
Eventually reached by the Hansa. Up to 300m cwt/y [Adshead 1992]
Setubal · Iberia (Muslim) · Muwalladi · 50%.
England
Cheshire (for Wales and Ireland, too) [Adshead 1992]
Chester · Britannia · Catholic · 25%.
Lincolnshire [Adshead 1992]
Stamford · Britannia · Catholic · 15%.
Byzantine Empire
for Crimean salt (traded by Venice and Genoa) [Adshead 1992]
Kerch · Byzantium · Orthodox · 100%.
for Cyprus salt lakes, like Larnaka (traded by Venice and Genoa). With 400m cwt, world Nº 2 in 15th c. after Ibiza [Adshead 1992]
Nicosia · Byzantium · Orthodox · 100%.
for regions in the Danube delta, imported for Constantinople. Unknown cwt [Maniatis 2010]
Sulina · Byzantium · Orthodox · 50%.
Macedonia
for Kalamaria and several saltworks near Thessalonika. Unknown cwt [Maniatis 2010]
Thessaloniki · Byzantium · Orthodox · 50%.
for Kitros. Unknown cwt [Maniatis 2010]
Platamon · Byzantium · Orthodox · 25%.
Unknown cwt [Maniatis 2010]
Chrysopolis · Byzantium · Orthodox · 25%.
Unknown cwt [Maniatis 2010]
Kassandreia · Byzantium · Orthodox · 25%.
Thrace
for Ainos, Chrysopolis, and their coast. Unknown cwt [Maniatis 2010]
Xanthia · Byzantium · Orthodox · 25%.
for Ainos, Chrysopolis, and their coast. Unknown cwt [Maniatis 2010]
Mosynopolis · Byzantium · Orthodox · 25%.
Attica and Cyclades
for Thermission in Peloponnese. Unknown cwt [Maniatis 2010]
Damala · Byzantium · Orthodox · 25%.
for Attica. Unknown cwt [Maniatis 2010]
Megara · Byzantium · Orthodox · 25%.
for Cyclades. Unknown cwt [Maniatis 2010]
Naxos · Byzantium · Orthodox · 25%.
Unknown cwt [Maniatis 2010]
Chios · Byzantium · Orthodox · 25%.
Chandax/Candia. Unknown cwt [Maniatis 2010]
Iraklio · Byzantium · Orthodox · 25%.
Aegean coast
for Atramyttion and Phocaea. Unknown cwt [Maniatis 2010]
Adramyttium · Byzantium · Orthodox · 25%.
for Smyrna and Meander region. Unknown cwt [Maniatis 2010]
Smyrna · Byzantium · Orthodox · 25%.
Epirus, Albania
Naupaktos/Lepanto. Unknown cwt [Maniatis 2010]
Naupaktos · Byzantium · Orthodox · 25%.
for Ionian Islands. Unknown cwt [Maniatis 2010]
Zakynthos · Byzantium · Orthodox · 25%.
for Ionian Islands. Unknown cwt [Maniatis 2010]
Corfu · Byzantium · Orthodox · 25%.
for Dalmatian / Illyrian coast. Unknown cwt [Maniatis 2010]
Himara · Byzantium · Orthodox · 25%.
for Dalmatian / Illyrian coast. Unknown cwt [Maniatis 2010]
Dyracchion · Byzantium · Orthodox · 25%.
Middle East
Traded by both Venetia and Genoa.
[Adshead 1992]
Alexandria · Egypt · Ashari · 100%.
Ash’ari because of its Muslim control and distribution [Adshead 1992]
Syrtripolis · Jerusalem · Ashari · 100%.
for Ras al-Makhbaz [Adshead 1992]
Zuwara · Africa · Ibadi · 100%.
for Zarzis [Adshead 1992]
Jarjis · Africa · Ibadi · 100%.
Salt Mines
Britannia
for Droitwich in Worcestershire [Adshead 1992]
Evesham (Droiwich) · Early Medieval · 25% · Britannia · Catholic.
Francia
for the Grand Saunerie (Bourg Dessus, Bourg Dessous, Chauderette)
Lausanne (Saunerie) · High Medieval · 10% · Francia · Catholic.
Germania
Lüneburg – developed very early. Reached 100m cwt/y by 1205, 300m cwt/y in 1300 [Adshead 1992]
Luneburg (Luneburg) · Late Medieval · 75% · Germania · Catholic.
for both Aussee (monastery of Rein, 1147) and Hallstat at the end of the 12th c. Reached 200m+120m cwt/y in the 14th c. [Adshead 1992]
Hallstatt (Aussee) · High Medieval · 25% · Germania · Catholic.
for Reichenhall and Hallein-Durrenberg – Salem (Cistercian house) on Lake Constance. Peaked at 460m cwt/y in 1500 [Adshead 1992]
Hallein (Reichenhall) · Late Medieval · 50% · Germania · Catholic.
for Halle and Stassfurt. Peaked at 200m cwt/y in 15th c. [Adshead 1992]
Halle (Stassfurt) · High Medieval · 50% · Germania · Catholic.
Schwäbisch Hall. ?? cwt/y in 15th c. [Adshead 1992]
Hall (Schwabisch) · Late Medieval · 25% · Germania · Catholic.
Central-East Europe
“Wieliczka” Salt Mines (developed 10th-13thc., from 1290 deep mining – provided North and East Europe). 160m cwt/y in 1500, not much compared to other European sources
Krakow (Wieliczka) · Late Medieval · 10% · Central-East Europe · Catholic.
Sóvidék “Salt-Country” in Transylvania (Ocna Dejului, Sic, Cojocna, Turda, Ocna Sibiului and Albeştii Bistriţei). Exploited late, not enough to compete with western sources (Austria)
Szek (Sóvidék) · Early Medieval · 5% · Central-East Europe · Catholic.
traditionally mines and wells operated privately by the Rus’ even when belonging to Poland
Kolomyia (Halych) · Late Medieval · 10% · Eastern Europe · Orthodox.
Africa (Sahara)
Salt-mines at Bilma and Fachi first exploited at least before 1023-1067
Bilma (Kawar) · Early Medieval · 100% · Africa · Ash’ari.
Taghaza salt oasis – supplied mainly (inner) Western Africa (it’s actually Bidaism – west_African_bidu_pagan) [Guèrin 2010]
Taghaza (Taghaza) · Early Medieval · 75% · Africa · Ash’ari.
Persia
Duzdagi at Nakhchivan. Continously in use, unknown output in MA
Naxcivan (Duzdagi) · Early Medieval · 50% · Persia · Ash’ari.
India
Interior sources cover the needs of Rajastan and Northern India (but not fully)
For Khewra in the Salt Range. Not mentioned in 1595, unknown if they continued during Sultanate
Katasraj (Khewra) · Early Medieval · 100% · India (North) · Vaishnavism.
Kalabagh in the Salt Range. Not mentioned in 1595, unknown if they continued during Sultanate
Kalabagh (Kalabagh) · Early Medieval · 100% · India (North) · Vajrayana.
Warcha in the Salt Range. Not mentioned in 1595, unknown if they continued during Sultanate
Wan_bhachran (Warcha) · Early Medieval · 100% · India (North) · Ash’ari.
For the Sambhar lake. Covered Northern India [Adshead 1992]
Shakambhari (Sambhar) · High Medieval · 150% · India (North) · Svetambara.