Caitanya-caritāmṛta 20.213
paravyoma-madhye nārāyaṇera nitya-sthiti paravyoma-upari kṛṣṇalokera vibhūti
[paravyoma-madhye naaraayanera nitya-sthiti paravyoma-upari krishnalokera vibhooti]
Blended reading (Sanskrit + English inline)
paravyoma-madhye nārāyaṇera nitya-sthiti paravyoma-upari kṛṣṇalokera vibhūti
“There is an eternal residence of Nārāyaṇa in the spiritual sky. In the upper portion of the spiritual sky is a planet known as Kṛṣṇaloka, which is filled with all opulences.
My note
Source: vedabase.io