Which city, Suihua or Gaoyou, is a county-level city under the administration of Yangzhou, Jiangsu province, China, located in the Yangtze River Delta?
Suihua: Suihua () is a prefecture-level city in west-central Heilongjiang province, People's Republic of China, adjacent to Yichun to the east, Harbin, the provincial capital, to the south, Daqing to the west and Heihe to the north. Gaoyou: Gaoyou (), is a county-level city under the administration of Yangzhou, Jiangsu province, China, located in the Yangtze River Delta on the north side of the Yangtze River.
Gaoyou