Declension table of ?vajrapura

Neuter	Singular	Dual	Plural
Nominative	vajrapuram	vajrapure	vajrapurāṇi
Vocative	vajrapura	vajrapure	vajrapurāṇi
Accusative	vajrapuram	vajrapure	vajrapurāṇi
Instrumental	vajrapureṇa	vajrapurābhyām	vajrapuraiḥ
Dative	vajrapurāya	vajrapurābhyām	vajrapurebhyaḥ
Ablative	vajrapurāt	vajrapurābhyām	vajrapurebhyaḥ
Genitive	vajrapurasya	vajrapurayoḥ	vajrapurāṇām
Locative	vajrapure	vajrapurayoḥ	vajrapureṣu

Compound vajrapura -

Adverb -vajrapuram -vajrapurāt