He is the author of more than 150 scholarly works published in 5 languages in 12 countries, mostly devoted to interdisciplinary studies in social sciences and the humanities with a special focus on the Middle East and Armenia in a broader historical context.

He read a number of books on the history of warfare including Julius Caesar's Commentarii de Bello Gallico in French.

From 1973 until 1975 Areshian pursued his PhD studies at the Saint Petersburg State University under the supervision of Boris Piotrovsky.

Areshian knew 9 languages; English, Russian, Armenian, German, French, Latin, Turkish, Grabar and Urartian cuneiform.

In 2017 a Festschrift was published in honor of Areshian under the title Bridging Times and Spaces: Papers in Ancient Near Eastern, Mediterranean and Armenian Studies.