Swadloon locations — where to catch

In Kitakami (Scarlet & Violet – The Teal Mask)

• Mossfell Confluence — Walk

Other games (3)

• X / Y (Gen 6): Friend Safari
• Black 2 / White 2 (Gen 5): Lostlorn Forest, Pinwheel Forest, Unova Route 6
• Black / White (Gen 5): Lostlorn Forest, Pinwheel Forest, Unova Route 6

Swadloon — full Pokédex entry