The Hong Kong dollar (Chinese: 港元; Cantonese Yale: Góng yùn; sign: HK$; code: HKD) is the official currency of Hong Kong. It is subdivided into 100 cents. The Hong Kong Monetary Authority is the governmental currency board and also the de facto central bank for Hong Kong and the Hong Kong dollar.Banknotes:$10, $20, $50, $100, $500, $1,000