The Institute aims to promote the scientific study and the diffusion of the Greek language according to the specifications set in M. Triandaphyllidis' will and in the Institute's Founding Act.
More specifically, the activities of the Institute include:
- the theoretical and applied, disciplinary and interdisciplinary research in the fields of Greek language and philology;
- the synchronic and diachronic study of the Greek language;
- the collection of sources and the compilation of corpora for the study of the Greek language and literature;
- the publication, by whatever means available, of scientific studies pertaining to the Greek language and literature;
- the reinforcement of the teaching of the Greek language, both as a first and as a second/foreign language, as well as the promotion of the Greek language abroad.
Moreover, the activities of the Institute include:
- the filing, the publication and the promotion of the work of the Institute's founder;
- the implementation of short- and long-term research projects pertaining to the Institute's goals and objectives;
- the assignment to third parties and the supervision of research projects pertaining to the Institute's goals and objectives;
- the collaboration with foundations, institutions and various organizations of identical or similar scientific interests, in Greece, in the European Union, or in other countries, and the participation in research projects implemented by these agencies;
- the organization of conferences, scientific symposiums, lectures, workshops, seminars and various other activities pertaining to the Institute's goals and objectives, as well as the publication of their findings;
- the awarding of scholarships for studies pertaining to the Institute's goals and objectives.
Finally, according to its founder’s will, the Institute aims to promote the education of the Greek people by whatever means available.