How do you spell niaga?

The spelling of "niaga" depends on the context and the language you're referring to.

Here are some possibilities:

* "Niaga" could be a misspelling of "Nigeria."

* In Indonesian, "niaga" means "commerce" or "trade."

* "Niaga" could be a proper noun or a specific term used in a particular field.

If you can provide more context, I can give you a more specific answer.