PURPORT

For an explanation of sapta-dvipa, see Madhya-lila, Chapter Twenty, verse 218, and Srimad-Bhagavatam, Fifth Canto, Chapters Sixteen and Twenty. In the Siddhanta-siromani, Chapter One (Goladhyaya), in the Bhuvana-kosa section, the nine khandas are mentioned as follows:

aindram kaseru sakalam kila tamraparnam
anyad gabhastimad atas ca kumarikakhyam
nagam ca saumyam iha varunam antya-khandam
gandharva-samjnam iti bharata-varsa-madhye

"Within Bharata-varsa, there are nine khandas. They are known as (1) Aindra, (2) Kaseru, (3) Tamraparna, (4) Gabhastimat, (5) Kumarika, (6) Naga, (7) Saumya, (8) Varuna and (9) Gandharva."

Link to this page: https://prabhupadabooks.com/?g=126002