Right here goes! Please note, I know this is a rather controversial list but this is based on my enjoyment on each map.
1: Japan
2: Berlin
3: Haven island
4: Isle of Sgail
5: Dartmoor
6: New york
7: Miami
8: Bangkok
9: Whittleton Creek
10: Chongqing
11: Paris
12: Hawkes bay
13: Colorado
14: Carpathian Mountains
15: Mumbai
16: Mendoza
17: Sapienza
18: Dubai
19: Santa Fortuna
20: Marrakech