In the main island of the LOCATION@1 , where the greater portion of the population reside within the capital LOCATION@2 , the word is often appended to the end of `` LOCATION@3 '' , making the word `` LOCATION@4 '' , where local use it as `` Sacred South '' rather than `` forbidden south '' .

For example , the main island in the LOCATION@1 , where the capital LOCATION@2 is located and most of the population resides , is called `` Tongatapu '' .
