What is the Hong Kong dollar backed by?

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1. What country uses HK as currency?｜The Hong Kong Dollar (HKD) is the currency of the Hong Kong Special Administrative Region of .China
2. Is the Hong Kong dollar weak?｜, prompting the HKMA to buy nearly 289 billion Hong Kong dollars ($37 billion) from banks to shore up its value, according to statistics released by the authority early last month.Since last May, the currency has touched 7.85, the weak end of the band, more than 40 times
3. What coin does Hong Kong use?｜The is divided into 100 cents and issued in seven denominations: 10c, 20c, 50c, HK$1, HK$2, HK$5 and HK$10. The Hong Kong dollar, the ninth most traded currency globally, is not a floating currency. It is pegged to the US dollar with a narrow trading band.Hong Kong dollar