Igglybuff locations — where to catch

In Paldea (Scarlet & Violet)

• Area Zero — Walk
• South Province (Area One) — Walk
• South Province (Area Two) — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Trophy Garden — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Route 34 — Gift

Other games (4)

• Brilliant Diamond / Shining Pearl (Gen 8): Trophy Garden
• Sword / Shield — The Isle of Armor (Gen 8): Fields of Honor
• Ultra Sun / Ultra Moon (Gen 7): Alola Route 4, Alola Route 6
• Sun / Moon (Gen 7): Alola Route 4, Alola Route 6

Igglybuff — full Pokédex entry