Greek tortoises for sure, tough to tell by the photos, based on pics #1,2 & 3 but they look to be Ibera. The low light in pics #4 & 5 make it difficult to see any patterns or true skin coloration.
Based on the below photo and information, definitely a Greek tortoise!
Arrow to the far left points to the "spur" on the thigh (hence the sometimes used common name "Spur-thighed"); bottom right arrow points to the lack of a hard, nail-like tip as found on all Hermann's, but on no Gracea subspecies; top two right photos point to individual scute patterns and seam structure that is different than Hermann's.