Two. According to checking Baidu map, Nanjing has two Hongyang Plaza. They are Nanjing Hongyang Plaza and Nanjing Hongyang Plaza (East China MALL). Nanjing Hongyang Plaza is located in Xuanwu District, Xuanwu Lake, is a set of shopping, dining, entertainment, culture, tourism in one of the integrated commercial center, with a 116-meter-high Ferris wheel, KTV, cinema and other facilities. Nanjing Hongyang Plaza (East China MALL) is located in the Qiaobei area of Jiangbei New District, a mega cultural, commercial and tourism complex covering an area of 550,000 square meters, with home building materials, themed amusement, star hotels and other diversified industries, which is a commercial benchmark in Xinjiekou, Jiangbei. So there are two Hongyang Plaza in Nanjing.