‘Othello’ is Shakespeare’s play about-

Moor,in English usage, a Moroccan or, formerly, a member of the Muslim population
of Al-Andalus, now Spain and Portugal.
The Moors created the Islamic Andalusian civilization and subsequently settled as refugees in the Maghreb (in the region of north Africa).

Shakespeare’s tragic hero Othello was a black Moor who was the general in the Venetian army.

Source: Britannica