Ai-Khanoum
The city is located in Takhar Province , northern Afghanistan , at the confluence of the Panj River and the Kokcha River , both tributaries of the Amu Darya , historically known as the Oxus . 
<triplet> Takhar Province <subj> Afghanistan <obj> country <triplet> Afghanistan <subj> Takhar Province <obj> contains administrative territorial entity <triplet> Panj River <subj> Takhar Province <obj> located in the administrative territorial entity <subj> Afghanistan <obj> country <subj> Kokcha River <obj> tributary <subj> Amu Darya <obj> mouth of the watercourse <subj> Oxus <obj> mouth of the watercourse <triplet> Kokcha River <subj> Panj River <obj> mouth of the watercourse <subj> Amu Darya <obj> mouth of the watercourse <subj> Oxus <obj> mouth of the watercourse <triplet> Amu Darya <subj> Panj River <obj> tributary <subj> Kokcha River <obj> tributary <triplet> Oxus <subj> Panj River <obj> tributary <subj> Kokcha River <obj> tributary