The element named after Ruthenia is Ruthernium.

The Elements named for Gaul and Ruthenia are: Gallium and Ruthernium.

It is now part of the Ukraine.

The element Ruthenium (Ru) has Ruthenia in it and is named after it. Ruthenium has the atomic number 44 and is a transition metal. It has 44 electrons in 5 shells and is part of the Iron family.

It was part of Czechoslovakia from 1919 until 1945, when the Soviet Union annexed it. Hungary had seized a large part of it in 1938, and held it until driven out by the USSR army.