Wenzhounese (simplified Chinese: 温州话; traditional Chinese: 溫州話; pinyin: wēnzhōuhuà), also known as Oujiang (simplified Chinese: 瓯江话; traditional Chinese: 甌江話; pinyin: ōujiānghuà) or Dong'ou (東甌), is the speech of Wenzhou, the southern prefecture of Zhejiang Province, China. Nicknamed the "Devil's Language" for its complexity and difficulty, it is the most divergent division of Wu Chinese, and is sometimes considered a separate language.