Sultanate of Muscat and Oman

State · 1900–1946 CE · at its largest around 1922 CE

The coastal sultanate of southeastern Arabia ruled by the Al Said dynasty from Muscat, closely tied to Britain. The interior was largely held by a rival Ibadi imamate, and the country was renamed the Sultanate of Oman in 1970.

On its lands while it lasted

• Muscat (c. 1900 CE): Capital of Sultanate of Muscat and Oman (1900–1946), Sultanate of Oman (1970–today).
• Nizwa (c. 1913 CE): Capital of Imamate of Oman (1913–1919).

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