The 33rd European Conference on Surface Science (ECOSS-33) will be organized in Hungary, Szeged. ECOSS is a traditional annual meeting directed jointly by the Surface Science Division of the International Union for Vacuum Science, Technique and Applications (IUVSTA) and the Surface and Interface Section of the European Physical Society (EPS). The conference provides an excellent opportunity for scientists from Europe and from all over the world to meet and discuss the latest advances in surface physics/chemistry and the progress of the surface science approach of the related innovation fields of heterogeneous catalysis, nanoelectronics, bio-nanoscience and light–matter nanotechnology. Szeged, crossed by the Tisza River is a university town of a long cultural tradition in the centre of the Carpathian Basin. The beautiful downtown of Szeged and the pleasant weather in August provide an excellent background for this conference.