Proper noun
The second-largest island of Estonia.
Hiiu County in Estonia.
Source: en.wiktionary.orgEstonia’s area includes some 1,500 islands and islets; the two largest of these islands, Saaremaa and Hiiumaa, are off mainland Estonia’s west coast. Source: Internet
Even in the Encyclopædia Britannica one can find "ostrov Khiuma", where "ostrov" means "island" in Russian and "Khiuma" is back-transliteration from Russian instead of " Hiiumaa " (Hiiumaa > Хийума(а) > Khiuma). Source: Internet
The two largest islands are Saaremaa (literally, island land), at convert, and Hiiumaa, at convert. Source: Internet
Vormsi is located between the island of Hiiumaa and the western coast of Estonia. Source: Internet
The island of Hiiumaa reported the lowest unemployment rate, with 4.5 percent, though this was up 1.7 percentage points from June 2019. Source: Internet