Complex sentence: It was located on the Yamuna about southwest of Prayaga, renamed Illahabad, now Allahabad., CAGI.448f in the year 1575 by the Mughal ruler Akbar.
Split into simpler sentences: It was located on the Yamuna about southwest of Prayaga, renamed Illahabad, now Allahabad. CAGI.448f, in the year 1575 by the Mughal ruler Akbar.