And Iran.
Proto-Indo-European. (There is also a new theoretical language called Pre-proto-Indo-European).
Iran and Azerbaijan.
The Indo-European language is thought to have originated out of the Pontic-Caspian steppe region, which encompasses parts of Eastern Europe and Western Asia. This region is often referred to as the homeland of the Proto-Indo-Europeans, the linguistic ancestors of the various Indo-European language groups spoken today.
It is generally assumed that the Proto-Indo-European language originated in the Pontic-Caspian steppe region, which encompasses present-day Ukraine and southern Russia. This area is believed to be the homeland from where the early Indo-European speaking populations migrated and spread their language and culture.
Iran and Azerbaijan.
The language that is not an Indo-European language is Japanese.
Yes, Russian is an Indo-European language.
Yes, Armenian is an Indo-European language.
Yes, Hindi is an Indo-European language. It belongs to the Indo-Iranian branch of the Indo-European language family and is spoken by a large population primarily in India.
Yes, Russian is an Indo-European language belonging to the Slavic family.
Yes, Russian is an Indo-European language. It belongs to the East Slavic branch of the Indo-European language family.