Greece will transfer migrants who arrived on its territory illegally after March 1 to the northern city of Serres and plans to deport back to their own countries, Greek Migration Minister NotisThousands of migrants have made for Greece since Ankara said on Feb. 28 that it would let migrants cross its borders into Europe, despite a commitment to hold them in its territory under a 2016 deal with the European Union. Mitarachi said late on Wednesday.