Every world in Minecraft is pretty much infinite. Each world is divided into chunks that are 16 blocks wide, 256 blocks tall, and 16 blocks long. When fully filled, a chunk has 65,536 blocks in total.

Each Minecraft world is divided into small 16x16 segments that are 256 blocks tall. They are called chunks and do not show up normally in the game. By pressing F3+G, players can look at the borders of ...