Where to catch Zubat

In Hoenn (Ruby, Sapphire & Emerald)

• Altering Cave — Walk
• Cave of Origin — Walk
• Granite Cave — Walk
• Meteor Falls — Surf, Walk
• Seafloor Cavern — Surf, Walk
• Shoal Cave — Surf

In Johto & Kanto (Gold, Silver & Crystal)

• Burned Tower — Walk
• Dark Cave — Walk
• Ice Path — Walk
• Ilex Forest — Walk
• Mt. Moon — Walk
• Mt. Mortar — Walk
• Rock Tunnel — Walk
• Route 10 — Walk
• Route 3 — Walk
• Route 30 — Walk
• Route 31 — Walk
• Route 32 — Walk
• Route 33 — Walk
• Route 4 — Walk
• Route 42 — Walk
• Route 9 — Walk
• Slowpoke Well — Walk
• Tohjo Falls — Walk
• Union Cave — Walk
• Whirl Islands — Walk

In Kanto (Red, Blue & Yellow)

• Mt. Moon — Walk
• Rock Tunnel — Walk
• Seafoam Islands — Walk

Zubat — full Pokédex entry