Dar es Salaam is Tanzania’s largest city and its commercial capital, on the Indian Ocean coast of East Africa. Founded in 1862 as a planned retreat and port town, the city grew into the colonial capital first of German East Africa and then of British Tanganyika, and it remained Tanzania’s political capital after independence until the government began shifting official functions to Dodoma.

Where Is Dar es Salaam Located?

Dar es Salaam sits on a natural harbor on Tanzania’s Indian Ocean coast, with a deep, sheltered bay that made it an attractive port site. The name, Arabic for “haven of peace” or “house of peace,” reflects the calm, protected character of that harbor.

A Brief History of Dar es Salaam

Sultan Majid bin Said of Zanzibar founded Dar es Salaam in 1862, intending it as a quiet retreat and secondary port distinct from the busier Zanzibar waterfront, though the settlement grew only modestly during his lifetime. Its fortunes changed when Germany established German East Africa in the late nineteenth century and made Dar es Salaam the colonial capital from 1891, building substantial administrative and religious architecture, including St. Joseph’s Metropolitan Cathedral, completed in 1902.

British Tanganyika and Independence

Britain took control of the territory after the First World War, administering it as Tanganyika with Dar es Salaam as its capital. Tanganyika became independent in 1961, and in 1964 it united with Zanzibar to form Tanzania, with Dar es Salaam continuing as the seat of government even after Tanzania officially designated Dodoma the national capital in 1973, a transition that has proceeded gradually over subsequent decades.

Dar es Salaam Today: Economy and Growth

Dar es Salaam remains Tanzania’s principal commercial, financial, and port city, and the World Bank highlights Tanzania’s “geo-strategic location, diverse natural resources … and its demographic, market, and connectivity advantages” as offering substantial opportunities for continued growth, much of it channeled through Dar es Salaam’s port and business sector.^[1] Tanzania’s national population passed 61.7 million according to its most recent census results, with Dar es Salaam the country’s largest and fastest-growing urban center.

What Is Dar es Salaam Known For?

Dar es Salaam’s most recognizable landmark is St. Joseph’s Metropolitan Cathedral, a Gothic Revival church with twin spires built by German colonial authorities and completed in 1902 on the city’s waterfront, where it remains a prominent visual marker for ships entering the harbor. The city is also the main gateway for travelers heading to Zanzibar and Tanzania’s northern safari circuit, and it anchors one of East Africa’s busiest ports.

Why Dar es Salaam Matters

Dar es Salaam matters as East Africa’s gateway port city and as a living record of the region’s layered colonial history, from an Omani Arab sultan’s founding vision through German and British rule to its continuing role as Tanzania’s commercial heart even as formal political functions shift to Dodoma.

Key Takeaways

• Dar es Salaam is Tanzania’s largest city and commercial capital, on the Indian Ocean coast.
• Sultan Majid bin Said of Zanzibar founded it in 1862 as a planned retreat and port.
• It was the capital of German East Africa from 1891 and then of British Tanganyika.
• Tanzania officially designated Dodoma the national capital in 1973, a transition still underway.
• St. Joseph’s Metropolitan Cathedral, completed in 1902, is Dar es Salaam’s best-known landmark.

Sources

• World Bank | “Tanzania Overview” | 2026 | worldbank.org/en/country/tanzania/overview

Editorially reviewed by Specialty Digest Editorial TeamLast reviewed October 21, 2026Researched and drafted with AI assistanceReport an issue