Minecraft's world is made up of chunks, which are 16 x 16 blocks large on the X and Z axis, and 384 blocks on the Y axis. When you first load into a world, a set number of chunks load around you, ...

Minecraft allows players to render a certain number of chunks around them. The highest amount of rendered chunks the vanilla game allows is 32. This means that at any given moment, a radius of 32 ...