possible (once current AI restrictions are lifted) but complicated! See https://www.gov.uk/guidance/export-livestock-and-poultrydo you know if with brexit it would be possible to ship live chicks or hatching eggs to greece?
what breeds do you have?
I have Swedish flowers, Araucana, Norfolk Grey, Welsumer, and Barbezieux, and their hybrid offspring (SFH over the others). What do you have?