Śrīmad-Bhāgavatam · Text 10.89.47
Who is speaking and story frame
सप्त द्वीपान् ससिन्धूंश्च सप्तसप्तगिरीनथ ।
लोकालोकं तथातीत्य विवेश सुमहत्तम: ॥ ४७ ॥
sapta dvīpān sa-sindhūṁś ca
sapta sapta girīn atha
lokālokaṁ tathātītya
viveśa su-mahat tamaḥ
The Lord’s chariot passed over the seven islands of the middle universe, each with its ocean and its seven principal mountains. Then it crossed the Lokāloka boundary and entered the vast region of total darkness.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.