Xiaogan (Chinese: 孝感; pinyin: Xiàogǎn) is a prefecture-level city in Hubei province of the People's Republic of China. Pinyin, more formally Hanyu pinyin, is the most common Standard Mandarin Romanization system in use A prefecture-level city ( or prefecture-level municipality is an administrative division of the People's Republic of China, ranking below a province and ( Postal map spelling: Hupeh) is a central province of the People's Republic of China. China ( Wade-Giles ( Mandarin) Chung¹kuo² is a cultural region, an ancient Civilization, and depending on perspective a National Its population is 310,000 residents. In Biology a population is the collection of inter-breeding organisms of a particular Species; in Sociology