The Geometrical Seminar is traditional conference which started its activities during the eighties in the last century, under the name Yugoslav Geometrical Seminar.  The aim of these meetings is to bring together mathematicians, physicists and engineers interested in geometry and its applications, to give lectures on new results, exchange ideas, problems and conjectures. The last conference, XXI Geometrical Seminar 2022, was held at Belgrade 2022, had around 130 participants from all over the world.