High Quality Content by WIKIPEDIA articles! Dominican Spanish is Spanish as spoken in the Dominican Republic, a Caribbean country, and throughout the Dominican diaspora, which is found mostly in the United States, chiefly in New York City, Boston,MoreHigh Quality Content by WIKIPEDIA articles! Dominican Spanish is Spanish as spoken in the Dominican Republic, a Caribbean country, and throughout the Dominican diaspora, which is found mostly in the United States, chiefly in New York City, Boston, and Miami.