On the map, the city Xuanyuan Hill was a huge circle with a radius of about 400 miles. Being located on the plain, this city was surrounded by Fairy Lake, Heavenly Qin Lake and Fair-Sounding Lake. All the three lakes were fresh lakes. The total area of the three lakes surpassed that of Xuanyuan Hill. The irrigation of three lakes led to over 600 square miles' fertile soil around Xuanyuan Hill.
Xuanyuan Hill was surrounded by the 9 immortal provinces of Taixia Country. The entire Xuanyuan Hill was in the center of Eastern Continent. The core of Xuanyuan Hill was the emperor's imperial city, namely the residence of Emperor Xuanyuan, also the heart of Taixia Country.
Being in the center of Xuanyuan Hill, the emperor's imperial city was like the red region in the center of a target.
The radius of the emperor's imperial city was 130 miles. Its area was almost equal to the size of 12 standard Class A cities in Taixia Country.
