reformed the Diodotid alliance with the Parthia, likely paying a sum of Indian war-Elephants. Having secured his western borders, Eucratides then conquered parts of the India, campaigning as far south as Barigaza (modern day Bharuch), solidifying Greek presence in Northern India with the Indo-Greek Kingdom. According to the single remaining source, Roman historian Justin, Eucratides defeated Demetrius of India, but the identity of this king is uncertain: he could be either Demetrius I, or Demetrius II, but more likely Menander I. "Eucratides led many wars with great courage, and, while weakened by them, was put under siege by Demetrius, king of the Indians. He made numerous sorties, and managed to vanquish 60,000 enemies with 300 soldiers, and thus liberated after four months, he put India under his rule" Justin XLI,6 Numismatic evidence suggests that Eucratides I was a contemporary of the Indo-Greek kings Apollodotus I, Apollodotus II and Diodotus III. In any case, Eucratides' advances into India are proved by his abundant bilingual coinage that are spread all over northern India and Pakistan. The city of Eucratideia (Εὐκρατίδεια), which is mentioned by ancient Greek geographers as city of great wealth straddling the Oxus River, was probably named after Eucratides. It might have been a totally new foundation or an existing city which he had renamed after himself. The location of the city is uncertain, but it was probably Ai-Khanoum or perhaps Dilbarjin. Death Justin ends his account of Eucratides' life by claiming that the warlike king was murdered on his way back from India by his son, who hated Eucratides so much that he mutilated and dragged his dead body after his chariot. This may have been a misinterpretation by Justin, and the regicide could instead have been perpetrated by an Euthydemid prince, Demetrius II, the son and successor of Demetrius I. Justin appears to believe Eucratides was killed by his own son, Heliocles I, but this is unlikely as patricide was uncommon in the Hellenistic age. "As Eucratides returned from India, he was killed on the way back by his son, who ran his chariot over the blood of the king, and ordered the corpse to be left without a sepulture" Justin XLI,6 The murder of Eucratides probably brought about a civil war amongst the members of the dynasty. The successors to Eucratides were Eucratides II and Heliocles I (145–130 BC), who was the last Greek king to reign