nāgaloka

Pali

nāga (naga) +‎ loka (world)

nāgaloka m

Declension table of "nāgaloka" (masculine)

Case \ Number	Singular	Plural
Nominative (first)	nāgaloko	nāgalokā
Accusative (second)	nāgalokaṃ	nāgaloke
Instrumental (third)	nāgalokena	nāgalokehi or nāgalokebhi
Dative (fourth)	nāgalokassa or nāgalokāya or nāgalokatthaṃ	nāgalokānaṃ
Ablative (fifth)	nāgalokasmā or nāgalokamhā or nāgalokā	nāgalokehi or nāgalokebhi
Genitive (sixth)	nāgalokassa	nāgalokānaṃ
Locative (seventh)	nāgalokasmiṃ or nāgalokamhi or nāgaloke	nāgalokesu
Vocative (calling)	nāgaloka	nāgalokā

Pali Text Society (1921–1925) “nāgaloka”, in Pali-English Dictionary‎, London: Chipstead
Patala on Wikipedia.Wikipedia