Here are the 20 provinces of Yemen:
```
1. `Abyan`
2. `Ad Dali`
3. `Adan`
4. `Al Bayda`
5. `Al Hudaydah`
6. `Al Jawf`
7. `Al Mahrah`
8. `Al Mahwit`
9. `Amanat Al Asimah`
10. `Amran`
11. `Dhamar`
12. `Hadhramaut`
13. `Hajjah`
14. `Ibb`
15. `Lahij`
16. `Ma'rib`
17. `Raymah`
18. `Sa'dah`
19. `Sana'a`
20. `Shabwah`
```
