  The 16th International Conference on Automata and Formal Languages (AFL 2023)
was held in Eger, September 5-7, 2023. It was organized by the Eszterh\'azy
K\'aroly Catholic University of Eger, Hungary, and the University of Szeged,
Hungary. Topics of interest covered the theory and applications of automata and
formal languages and related areas.
  This volume contains the texts of the 3 invited presentations and the 18
papers selected by the International Program Committee from a total of 23
submissions. We would like to thank everybody who submitted a paper to the
conference.
