Today's Jamaican population is a mixture of African and English, with Spanish, Indian, and a smattering of Portuguese Jews, Germans, Welsh, and Scots.
The Jamaican population is really diverse with variety of ethnicity.
Start at the Place de l'Etoile (officially Place Charles-de-Gaulle, but nobody calls it that), preferably at the top of Napoleon's gigantic Arc de Triomphe, from which you'll get a good view of the 12-pointed star formed by the avenues radiating from the arch in a tour de force of geometric planning.