Island nation in the South Atlantic off the west coast of Africa; achieved independence from Portugal in 1975; has enormous offshore oil reserves.

synonyms: Democratic Republic of Sao Tome and Principe, Sao Thome e Principe, Sao Tome and Principe, St. Thomas and Principe.

Polish: Wyspy Świętego Tomasza i Książęca, Demokratyczna Republika Wysp Świętego Tomasza i Książęcej