East Province (Area Two), South Province (Area Five), South Province (Area Four), South Province (Area One), South Province (Area Two), West Province (Area One) — 6 locations on the interactive map.
Petalburg City, Route 102, Route 104, Route 111, Route 112, Route 114, Route 117, Route 120, Safari Zone — 9 locations on the interactive map.
Mt. Mortar, Route 42 — 2 locations on the interactive map.
Azurill → Marill (Happiness ≥ 160) → Azumarill (Level 18)