On Thursday, January 11, 2018, organized by the Pedagogical Institute in Mostar, in cooperation with the Cultural Center “Kralj Fahd” Sarajevo, Branch in Mostar, a program of seminars for professional development of teachers of Bosnian language and literature in the Herzegovina-Neretva Canton was held. The seminar was attended by 70 teachers. In addition to lecturers from the Pedagogical Bureau Mostar, dr. Enisa Gološ, mr. Nusret Omerika and mr. Amela Kozić, who spoke about the implementation of learning outcomes in the language-communication field, also lecturers at the Institute for Language of the University of Sarajevo, based on the protocol on cooperation with the Pedagogical Institute Mostar, held the lecture at the seminar. Dr. Alen Kalajdžija talked about the history of the Bosnian literary language between the beginnings of literacy and standardization, and dr. Jasmin Hodžić on the Mostar speech and the orthoepic standard of the Bosnian language. The seminar was conducted in well-realized mutual communication and an outstanding interest in the content of all lectures.