Complex sentence: It was the site of important religious center in the (ancient Udyana) of Gandhara civilization known as Bazira, also known by its Sansritized name Vajirasthana.
Split into simpler sentences: It was the site of important religious center in the (ancient Udyana) of Gandhara civilization known as Bazira. The ancient town was also known by its Sansritized name Vajirasthana.