[10] Yerevan State University was established on May 16, 1919, by decision of the government of the Republic of Armenia and the efforts of politician Sirakan Tigranyan.

The construction of the new headquarters of the university was completed during the 1950s, between Mravyan (now Alex Manoogian) and Charents streets, to the northeast of the Circular Park.

Managing and controlling the university's academic, scientific, economic, financial, national, and international activities are within the range of the rector's responsibilities.

The Academic Council verifies the regulations regarding graduation qualification conditions, postgraduate admission terms, making decisions on reorganizing and annulling faculties, scientific and research institutions, centers, colleges, high schools, as well as departments and other structural subdivisions.

As of 2016, the university has 19 faculties in Yerevan, as well as a "Preparatory department for foreign citizens": The process of training specialists in the field of physics and mathematics began in 1922 in YSU.

The Faculty is active in scientific development, as evidenced by the receipt of various international grants and the many ongoing projects financed by the state budget.

The Faculty of Informatics and Applied Mathematics (IAM) of Yerevan State University is an educational and scientific center preparing fundamental research scientists and qualified programmers.

Graduates work in various countries in fields where computers are used, such as academic and research institutes, universities, state and government organizations, banks, and private IT companies.

Currently, the faculty is structured as eight chairs: Botany, Zoology, Human and Animal Physiology, Ecology and Nature Protection, Microbiology and Biotechnology of Plants and Microbes, Genetics and Cytology, and Biochemistry and Biophysics.

Many of the graduates are now well-known scientists working in scientific centers of the former USSR as well as abroad in the US, France, Great Britain, Germany, Italy, and Japan.

In parallel with the process of training, scientific research activities are conducted at the Faculty of Geography and Geology in the following areas: cartography and geodesy, hydrology, the study of water problems, the deep structure of the Earth's crust, formation of the mineral fields and develop methods of search and research, the study of hydrogeological and geochemical phenomena, geophysical fields, the phenomena of landslides, seismic zoning, the emergence and prediction of earthquakes, and the safe use of hydro-technical mechanisms.

Beginning with the 2007–2008 academic year, distance learning for Bachelor's students in the area of Sociology and Social Work was made available.

The lecturers, Ph.D. students, and specialists from the US and Western Europe periodically participate in methodological seminars organized by the faculty chairs.

The founder and first Dean of was NAS RA and YSU Honorable Doctor of Philosophy and Philology, Archbishop Shahe Ajamian.

The following scientists and academicians have contributed to research at this Faculty throughout its history: Hakob Manandyan, Boris Piotrovsky, Mkrtich Nersisyan, Ashot Hovhannisyan, Gagik Sargsyan, Gevorg Gharibjanyan, Babken Arakelyan, Hrant Avetisyan, Lendrush Khurshudyan, Vladimir Barkhudaryan, Hakob Simonyan, Murad Hasratyan, Vahan Rshtuni, S. Harutyunyan, Leo, Stepan Lisitsyan, Karo Ghafadaryan, Khachik Samvelyan, Grigor Mikayelyan, Ashot Abrahamyan, and Ashkharbek Kalantar.

The first tutors of this faculty were professors of Armenian studies Hakob Manandyan, Manouk Abeghyan, Hrachya Atcharyan, Grigor Ghapantsyan, Simon Hakobyan, and Arsen Terteryan.

Tamrazyan, G. Jahoukyan, Al. Margaryan, H. Mamikonyan, S. Soghomonyan and others have studied under these teachers, as well as other lecturers scientists such as Doctors A. Souqiasyan, S. Galstyan, A. Sharuryan, H. Makhchanyan, V. Gabrielyan, L. Yezekyan, Kh.

Former President of Armenia Serzh Sargsyan, wrestler David Torosyan, member of Artsakh Liberation Movement Samvel Gevorgyan are graduates of this faculty.

Currently, the faculty features four chairs: Students are also provided with an opportunity to study Greek, Polish, Bulgarian, and Ukrainian languages.

The Chair of Russian Linguistics, Typology and Theory of Communication focuses on research into: The faculty is equipped with four special auditoriums and a library.

According to modern demands in the area of Oriental Studies, Hindi, Afghani, Sanskrit, Belujian, Kurdish, and Hebrew languages are taught at this faculty.

It works toward the development of scientific cooperation with the chairs of universities and scientists in Iran, Egypt, Syria, UAE, Lebanon, and other countries.

The alumni of the faculty of Romance and Germanic Philology are involved in state and governmental work, many different institutions and companies of Armenia, as well as in the embassies of foreign countries and international organizations.

Within the last 75 years, more than 12, 000 students graduated from the Faculty and were later employed by government agencies, law enforcement and judicial bodies, banks, international organizations, and private business.

With a view to organizing effective educational processes, the Laboratory of Criminalistics, Moot Court Room, and the Legal Clinic were established at the Faculty of Law in the early 21st century.

The Faculty also issues "The Problems of Jurisprudence" quarterly publication where the scientific articles of law professors and post-graduate students are published.

In addition to research and teaching, the Faculty members actively participate in constitutional and judicial reforms carried out in the Republic of Armenia.

The Career Center, established by and functioning with the active assistance of the ABA, provides a permanent link between student, alumnus, and employer and supports alumni in job-hunting efforts.

As of 2016, the Ijevan branch has four faculties:[15] The Yerevan State University Library, named after Sarkis and Mary Izmirlian, was inaugurated on February 28, 1920.

In 2015, the "alley of gratitude" was opened at the entrance of the library, in memory of all the people who have expressed pro-Armenia positions during and after the Armenian genocide, including European and American intellectuals and political and cultural figures.