You can see chunk borders in Minecraft: Java Edition using wireframes, and in Bedrock by using coordinates.

How To Show Your Minecraft Coordinates Whether you're lost, or just want to make a note of a cool new discovery in the survival game, you may want to know how to find your Minecraft coordinates.

There are lots of commands in Minecraft, but being able to teleport around the world in an instant is one of the most useful of them.