The Kiautschou Bay concession was a German colonial concession in Imperial China which existed from 1898 to 1914. It had an area of 552 sq km, and was located around Jiaozhou Bay on the southern coast of the Shandong Peninsula, which lay in the imperial province of Shandong in northern China. Jiaozhou was romanized as Kiaochow, Kiauchau or Kiao-Chau in English and Kiautschou or Kiaochau in German. The administrative center was at Tsingtau - modern Qingdao.