How can I get chunk region position?

WorldChunk chunk;

e.g. chunk position = region 1, -1
region 6, -12

I couldn’t find the method to get chunk position. How can I can chunk position ?

please help me.

What your after is (on api 8+)

Chunk chunk;
Vector3i position = chunk.chunkPosition()

https://jd.spongepowered.org/spongeapi/8.0.0/org/spongepowered/api/world/chunk/Chunk.html#chunkPosition()

Thank for you care!