The
Aras , also known as
Araks or
Arax ,
Yeraskh ,
Rakhsi (
Old Georgian: რახსი),
Erez (İn
Kurdish ), Araxes ,
Aras (in
Turkish )
Araz (in
Azerbaijani), is a river in and along the countries of
Turkey,
Armenia,
Azerbaijan, and
Iran. It drains the south side of the
Lesser Caucasus Mountains and then joins the
Kura River which drains the north side of those mountains. Its total length is . Given its length and a basin that covers an area of , it is one of the largest rivers of the
Caucasus.