Sentence 1: Chongming is the only county in Shanghai north of the Shanghai Peninsula on three inhabited Yangtze islands - Chongming , Changxing and Hengsha .
Sentence 2: Chongming is the only county in Chongming north of the Shanghai Peninsula on three inhabited Yangtze islands - Shanghai , Changxing , and Hengsha .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?