Shiva Purana
भारतः केतुमालश्च भद्राश्वः कुरवस्तथा ॥ पत्राणि लोकपद्मस्य मर्यादालोकपर्वताः ॥ ३४॥
The four Varṣas Bhārata, Ketumāla, Bhadrāśva and the Kurus are the petals of the world-lotus. The Lokaparvatas constitute the boundary.
english translation
bhArataH ketumAlazca bhadrAzvaH kuravastathA ॥ patrANi lokapadmasya maryAdAlokaparvatAH ॥ 34॥
hk transliteration by Sanscript