Early Game:
* Route 29: A couple of Oran Berries can be found in the tall grass.
* Route 30: Some can be found here as well.
* Goldenrod City Department Store: You can buy Oran Berries from the "Berry" section.
Mid-Game:
* Route 36: Search the tall grass for Oran Berries.
* Route 40: A few Oran Berries can be found here.
Late Game:
* Route 46: You can find some Oran Berries in the tall grass.
* National Park: Oran Berries can be found in the tall grass.
* Goldenrod City Department Store: You can buy Oran Berries from the "Berry" section.
Tips for Finding Oran Berries:
* Use the Poké Radar: The Poké Radar helps you find items, including berries, in the tall grass.
* Replenish using the Berry Tree: In the National Park, you can grow your own berries, including Oran Berries, using the Berry Tree.
Note: The availability of Oran Berries in specific locations may vary depending on the player's progress in the game.
Remember that Oran Berries restore a small amount of HP, and you can usually find them scattered in the wild. It's worth searching the areas listed above for these useful berries. Good luck on your berry hunt!