1. Introduction

2. Data and samples of stars in common  
2.1. The Gaia-ESO DR5  
2.2. The Gaia DR3  
2.3. The GES DR5.1–Gaia DR3 intersections  

3. Radial velocities and detection of non-single stars

4. Rotational velocities

5. Temperatures, gravities and abundances

6. Asteroseismic targets

7. Stars in open star clusters: individual abundances and average properties

8. The properties of the open cluster population from the combined Gaia-GES datasets

9. Conclusions