Claim: Caofeidian District, which is as large as the province Hebei in China, occupies an area of 280 square miles and is often compared to Hebei, China.
Evidence: Caofeidian District (simplified Chinese: 曹妃甸区; traditional Chinese: 曹妃甸區; pinyin: Cáofēidiān Qū), formerly Tanghai County (唐海县; 唐海縣; Tánghǎi Xiàn), is a district of Tangshan, Hebei, People's Republic of China, along the coast of the Bohai Sea.