Agnipurana 370.14

370.14

saptamasya talasyānte ghore tamasi saṃsthitāḥ /
ghorākhyā prathamākoṭiḥ sughorā tadadhaḥsthitā //

situated in terrifying darkness at the end of the seventh subterranean realm. / The first crore is called Ghorā; Sughorā is situated beneath that;