Map of the Sultanate of Zanzibar and it's likely vassal Tippu Tip (1875). Green: Zanzibar, Light green: Tippu Tip's sultanate
<a href="//commons.wikimedia.org/wiki/User:Samhanin" title="User:Samhanin">Samhanin</a>
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<span class="int-own-work" lang="en">Own work</span>