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Varna
Economy & Infrastructure
Economy
Merchants
Export and import trade companies
History

Entrepreneurial families
Biographies and activity

Exchange-bourse

Industries
History of industries

Insurance companies
History

Banks
History of banks

Tourism
Infrastructure
Railways

Road transportation network

River network

Steam shipping and navigation companies
Histories

Postal and telegraph networks
Postal network

Telegraph network

Public Services
Petroleum
Oil
Gas
Electricity
Water
Sewage
Trash removal
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