Teddiursa locations — where to catch

In Paldea (Scarlet & Violet)

• East Province (Area One) — Walk

In Hisui (Legends: Arceus)

• Droning Meadow — Walk
• Golden Lowlands — Walk
• Sonorous Path — Walk
• Ursa's Ring — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Acuity Lakefront — Walk
• Lake Acuity — Walk
• Route 211 — Walk

In Johto & Kanto (HeartGold & SoulSilver)

• Mt. Silver — Walk
• Mt. Silver Cave — Walk
• Route 45 — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Safari Zone — Walk

In Sevii Islands (FireRed & LeafGreen)

• Altering Cave — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Dark Cave — Walk
• Route 45 — Walk

Other games (3)

• X / Y (Gen 6): Friend Safari
• Black 2 / White 2 (Gen 5): Nimbasa City
• XD (Gen 3): Pokemon Hq Lab

Teddiursa — full Pokédex entry