Hyon
Hyon is a toponym and surname that appears in different contexts. The most documented geographic use is as a village in Belgium. Located in the province of Hainaut in the Walloon Region of western Belgium, Hyon represents one of the European place names that share this form.
As a surname, Hyon occurs in various contexts and may reflect transliteration choices from East Asian languages
In summary, Hyon is most commonly encountered as a place name in Belgium, with additional usage as