Answer

Shri Chandraprabhu Bhagwan’s Janma Kalyanak is traditionally associated with Chandrapuri, which is near Varanasi, Uttar Pradesh.

A commonly known Jain pilgrimage place connected with Chandraprabhu Bhagwan is:

Shri Chandraprabhu Digamber Jain Atishay Kshetra, Chandrapuri, Varanasi, Uttar Pradesh, India

Explanation

Shri Chandraprabhu Bhagwan is the 8th Tirthankar of the present Avasarpini. His Janma Kalyanak is believed to have taken place at Chandrapuri, which is a sacred Jain place near Varanasi.

Takeaway

For pilgrimage or temple-visit purposes, you may look for Chandrapuri Jain Tirth / Chandraprabhu Jain Temple near Varanasi.