Matsya Purana 187.18

187.18

tatra gatvā tu viprendra! matimanyāṃ prabodhaya.
devasya vacanaṃ śrutvā munistvaritavikramaḥ .. 187.17

Śiva said-"Nârada! virtuous women reside within the Tripura of Vâṇâsura and by their virtue the Tripura moves about in the space You should, therefore, go and delude those ladies in Tripura"-15 17

Hearing those words of the Lord, the sage went and did what he was directed to fulfil That Tripura was decorated with various kinds of precious stones, was 100 yojanas broad and 200 yojanas in length The sage saw Vâṇâsura in such a magnificent place-18 19