X:
Y:
Z:
This chunk contains blocks fromX:0, Y:0, Z:0 to X:15, Y:15, Z:15
X:0, Y:0, Z:0
X:15, Y:15, Z:15
Region filename:
This region contains blocks from X:0 Y:0 Z:0 to X:511 Y:255 Z:511
X:0 Y:0 Z:0
X:511 Y:255 Z:511
This region contains chunks from X:0 Y:0 Z:0 to X:31 Y:15 Z:31
X:31 Y:15 Z:31