In a large mixing bowl, add the fresh cucumbers, cut into small cubes.
Add the hard-boiled eggs, chopped into small cubes.
Add the baked chicken breast, cut into cubes. You can boil the meat instead of baking it, if you prefer. I baked it with seasonings (salt, black pepper, thyme, and paprika).
Cut the semi-hard cheese into small cubes and add it to the bowl.
Add the Greek yogurt and sprinkle a pinch of salt over the salad.
Gently mix the salad with a spoon. The salad is ready to serve, but you can refrigerate it for about 30 minutes for a more intense flavor.