Last name Фияс (Fijas 
, Фияс 
) , in the entire world, is a rare family name. The surname Фияс is characteristic of Poland, where it is a rare surname, Belarus, and Germany, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Poland, India, and China. Likewise, Фияс is the forename as well as the last name.