राक्षसालयदेवौकःशैलयोर् मध्यसूत्रगाः। रोहीतकम् अवन्ती च यथा सन्निहितम् सरः ॥
(The cities named) Rohítaka, Ujjayiní, Kurukshetra &c. are at the line between Lanká and the north pole of the Earth, (this line is called the Middle Line of the Earth.)
english translation