Parshwanath (Parshva) is the 23rd Tirthankara in Jainism. His historical sites are told through many temple legends and tirths. A well-known historical reference is Avanti Parshwanath at Ujjain, which is described as dating back about 2,300 years and connected with King Samprati and ancient Jain patronage. You can read more on the Avanti Parshwanath story here

There are many other Jain temples and stories about Parshwanath across India (e.g., Ajahara Parshwanath in Una, Gujarat; Saptfana Parshwanath in Bhansaal, Jamnagar; Varanasi Parshwanath, etc.), each highlighting regional history and temple traditions. You can explore these narratives on related pages like Story of Ajahara Parshwanath Bhagwan, Story of Saptfana Parshwanath Bhagwan, and Story of Varanashi Parshwanath Bhagwan