How to Change the World Border on a Minecraft Bedrock Server ​

Unlike Java Edition, Bedrock servers have no native /worldborder command. To enforce a boundary, you have to restrict players' movement in a different way.

Options ​

Command block ​

With a command block in a loaded chunk you can teleport players back to the center whenever they cross a certain coordinate. Example — pull all players further than 500 blocks from 0, 0 back to the center:

/execute as @a[rm=500] run tp @s 0 ~ 0

/execute as @a[rm=500] run tp @s 0 ~ 0

The command block must run in Repeat mode with Always Active enabled so the command is executed continuously.

Behavior pack ​

You can create or install a behavior pack that enforces the desired boundary — for example with damage outside the area or an automatic teleport. Upload behavior packs as described in Add Behavior and Resource Packs and enable them for the world.