It runs in a crescent through Mali, Niger, on the border with Benin and then through Nigeria, discharging through a massive delta, known as the Niger Delta or the Oil Rivers, into the Gulf of Guinea in the Atlantic Ocean.
Giengen ["gíengen"] (izvirno nemško "Giengen an der Brenz") je nemško mesto v zvezni deželi Baden-Württemberg, ki leži ob reki Brenz.