Deputy department level. The director of Hainan Provincial Library is the deputy department level, and the library belongs to the Provincial Department of Culture (director level), while the director of prefecture-level library is the deputy department level, and the prefecture-level library belongs to the prefecture-level cultural bureau (director level). Hainan Province, referred to as "Qiong" for short, is the southernmost provincial administrative region in People's Republic of China (PRC), with Haikou as its capital. It is a special economic zone and a free trade pilot zone in China. Qiongzhou Strait is located in the south of China and adjacent to Guangdong in the north.