You.
1.Slovakia
2.Slovenia
3.Croatia
4.Austria
5.Ukraine
6/7 Serbia and Romania equally
For Hungary i would say:
1. Slovakia
2. Slovenia
3. Croatia
4. Austria
5. Ukraine
6. Serbia
7. Romania
While if i have to rank them in my county (Borsod-Abaúj-Zemplén)
1. Slovakia
2. Ukraine
3. Slovenia
4. Croatia
5. Romania
6. Austria
7. Serbia
I don't think Slovakia is the closest. There is a significant pigmentation difference between the two.