River Tanos in North Kynouria, Arcadia, Greece

The Tanos or Tanus (Τάνος), also called the Tanaus or Tanaos (Τάναος)

Euripides Euripides (; grc, Εὐριπίδης, Eurīpídēs, ; ) was a tragedian Tragedy (from the grc-gre, τραγῳδία, ''tragōidia'', ''tragōidia'') is a genre of drama based on human suffering and, mainly, the terrible or sorrowful e ...

, ''Electr.'' 413. is a river of the

Peloponnese The Peloponnese (), Peloponnesus (; el, Πελοπόννησος, Pelopónnēsos,(), or Morea is a peninsula and geographic regions of Greece, geographic region in southern Greece. It is connected to the central part of the country by the Isthmu ...

Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...

. In antiquity it was the northern border of the

Thyreatis Thyrea ( grc, Θυρέα), also Thyraea, Thyreae or Thyreai (Θυρέαι), was a town of Cynuria, and was fought over between ancient Argolis and ancient Laconia. Its territory was called the Thyreatis (Θυρεᾶτις). According to Pausanias, ...

, or territory of the city of Thyrea, in the ancient region of

Cynuria Cynuria ( – ''Kynouria'' or – ''Kynouriake'') is an ancient district on the eastern coast of the Peloponnese, between the Argolis and Laconia, so called from the Cynurians, one of the most ancient tribes in the peninsula. It was believed to ...

. It waters one of the most fertile plains in the Peloponnesus. The river rises in the summits of

Mount Parnon Parnon or Parnonas ( el, Πάρνων/Πάρνωνας) or Malevos (Μαλεβός) is a mountain range, or massif, on the east of the Laconian plain and the Evrotas valley. It is visible from Athens above the top of the Argive mountains. The wes ...

, and falls into the sea, at present north of

Astros The Houston Astros are an American professional baseball team based in Houston, Texas. The Astros compete in Major League Baseball (MLB) as a member club of the American League (AL) American League West, West division, having moved to the div ...

, but earlier south of the latter place. It formed the boundary between the

Argeia In Greek mythology, Argia or Argea (Ancient Greek: Ἀργεία ''Argeia'') was a daughter of King Adrastus of Argos, and of Amphithea, daughter of Pronax. She was married to Polynices, the exiled king of Thebes, and bore him three sons: T ...

and

ancient Laconia Laconia or Lakonia ( el, Λακωνία, , ) is a historical and administrative region of Greece located on the southeastern part of the Peloponnese peninsula. Its administrative capital is Sparta. The word ''laconic''—to speak in a blunt, con ...

in the time of

, who accordingly represents it as the boundary between the two states in the heroic age.

References

Rivers of Greece Geography of Peloponnese (region) {{Greece-river-stub