Atrato River
The Gulf of Darién (, , ) is the southernmost region of the Caribbean Sea, located north and east of the border between Panama and Colombia. Within the gulf is the Gulf of Urabá, a small lip of sea extending southward, between Caribana Point and Cape Tiburón, Colombia, on the southern shores of which is the port city of Turbo, Colombia. The Atrato River delta extends into the Gulf of Darién.