Island Southeast Asia - Islam India, Nepal - Hinduism South and East Asia - Nearly all religions Mainland Southeast Asia - Buddhism.
What is meant by regions?
Regions are the divisions of different units or states. It is mainly according to the different administrative. It is not necessary that regions only divides the states or place, it can be considered anything. An example is The state of California.
Thus, it is matched in above sentence.
For more details about Regions, click here:
https://brainly.com/question/13162113
#SPJ2
