Old Fort of Zanzibar
Mjini District, Tanzania · built 1699
The Old Fort (Swahili: Boma la Kale la Zanzibar), also known as the Arab Fort and by other names, is a fortification located in Stone Town, the capital of Zanzibar. It is the oldest building and a major visitor attraction of Stone Town. It is located on the main seafront, adjacent to another landmark building of the city, the House of Wonders (former palace of the Sultan of Zanzibar), and facing the Forodhani Gardens.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).