Oxygen is not limited to a specific region of the world. It's a global element found in:

* The atmosphere: About 21% of the Earth's atmosphere is composed of oxygen.

* Water: Oxygen is a key component of water (H2O).

* The Earth's crust: Oxygen is the most abundant element in the Earth's crust, making up around 46.6% of its mass.

* Living organisms: All living things, from plants to animals, require oxygen for respiration.

So, oxygen is everywhere on Earth, not just a specific region.