Old Fort of Zanzibar The old fort as seen from the House of Wonders Old Fort of Zanzibar Location within Tanzania Former names Arab Fort General information Type Fort Location Stone Town, Zanzibar, Tanzania Coordinates 6°9′41″S 39°11′21″E﻿ / ﻿6.16139°S 39.18917°E﻿ / -6.16139; 39.18917Coordinates: 6°9′41″S 39°11′21″E﻿ / ﻿6.16139°S 39.18917°E﻿ / -6.16139; 39.18917 Completed 1699