Androsthenes of Cyzicus was a Greek from the city of Cyzicus

Cyzicus

Cyzicus was an ancient town of Mysia in Anatolia in the current Balıkesir Province of Turkey. It was located on the shoreward side of the present Kapıdağ Peninsula , a tombolo which is said to have originally been an island in the Sea of Marmara only to be connected to the mainland in historic...

 in Asia Minor

Asia Minor

Asia Minor is a geographical location at the westernmost protrusion of Asia, also called Anatolia, and corresponds to the western two thirds of the Asian part of Turkey...

, who lived around 200 BCE. He accompanied Antiochus III the Great

Antiochus III the Great

Antiochus III the Great Seleucid Greek king who became the 6th ruler of the Seleucid Empire as a youth of about eighteen in 223 BC. Antiochus was an ambitious ruler who ruled over Greater Syria and western Asia towards the end of the 3rd century BC...

 to India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 in 206 BCE. He is mentioned by Polybius

Polybius

Polybius , Greek ) was a Greek historian of the Hellenistic Period noted for his work, The Histories, which covered the period of 220–146 BC in detail. The work describes in part the rise of the Roman Republic and its gradual domination over Greece...

 who describes how Antiochus, following in the steps of Alexander, crossed into the Kabul

Kabul

Kabul , spelt Caubul in some classic literatures, is the capital and largest city of Afghanistan. It is also the capital of the Kabul Province, located in the eastern section of Afghanistan...

 valley, received presents from the India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

n king Sophagasenus

Sophagasenus

Sophagasenos also spelt Sophagasenus or Sophagasenas was a local Indian king ruling in Kabul and Kapisa valley during the last decade of 3rd century BC. Sophagasnus finds reference only in "The Histories" of Polybius. The identity of Sophagasenus is not clear...

 and returned west by way of Seistan and Kerman (206/5). Androthenes brought back the presents from the Indian king.

According to Polybius

Polybius

Polybius , Greek ) was a Greek historian of the Hellenistic Period noted for his work, The Histories, which covered the period of 220–146 BC in detail. The work describes in part the rise of the Roman Republic and its gradual domination over Greece...

:

"He crossed the Caucasus (Hindu Kush

Hindu Kush

The Hindu Kush is an mountain range that stretches between central Afghanistan and northern Pakistan. The highest point in the Hindu Kush is Tirich Mir in the Chitral region of Khyber-Pakhtunkhwa, Pakistan.It is the westernmost extension of the Pamir Mountains, the Karakoram Range, and is a...

) and descended into India; renewed his friendship with Sophagasenus

Sophagasenus

Sophagasenos also spelt Sophagasenus or Sophagasenas was a local Indian king ruling in Kabul and Kapisa valley during the last decade of 3rd century BC. Sophagasnus finds reference only in "The Histories" of Polybius. The identity of Sophagasenus is not clear...

the king of the Indians; received more elephants, until he had a hundred and fifty altogether; and having once more provisioned his troops, set out again personally with his army: leaving Androsthenes of Cyzicus the duty of taking home the treasure which this king had agreed to hand over to him." Polybius 11.39