Where to catch Blissey

In Paldea (Scarlet & Violet)

• North Province (Area One) — Walk
• North Province (Area Three) — Walk
• North Province (Area Two) — Walk

In Blueberry Academy (Scarlet & Violet – The Indigo Disk)

• Coastal Biome — Walk
• Savanna Biome — Walk
• Torchlit Labyrinth — Walk

Blissey — full Pokédex entry