In the main series games:
* Generation I (Red, Blue, Yellow): Viridian Forest, Route 24, and Safari Zone (rare).
* Generation II (Gold, Silver, Crystal): Ilex Forest, Route 36, and Union Cave.
* Generation III (Ruby, Sapphire, Emerald): Petalburg Woods, Route 103, and Route 118.
* Generation IV (Diamond, Pearl, Platinum): Eterna Forest, Route 208, and Route 210.
* Generation V (Black, White, Black 2, White 2): Pinwheel Forest, Undella Bay, and Route 13.
* Generation VI (X, Y, Omega Ruby, Alpha Sapphire): Santalune Forest, Route 22, and Azure Bay.
* Generation VII (Sun, Moon, Ultra Sun, Ultra Moon): Melemele Meadow, Lush Jungle, and Poni Grove.
* Generation VIII (Sword, Shield): Glimwood Tangle, Dusty Bowl, and Giant's Cap.
In Pokémon GO:
Tangela is a common Pokémon that can be found in grassy areas, forests, and parks. It's also available in raids and as a reward for completing certain tasks in the game.
Other games:
Tangela's location can vary depending on the specific game. Check the in-game Pokédex or online guides for more information.
Remember that Tangela's spawn rates and locations can be affected by events and other factors in the game.