Original: In the main island of the Kingdom of Tonga, where the greater portion of the population reside within the capital Nuku'alofa, the word is often appended to the end of "Tonga", making the word "Tongatapu", where local use it as "Sacred South" rather than "forbidden south".
Simplified: For example, the main island in the Kingdom of Tonga, where the capital Nuku'alofa is located and most of the population resides, is called "Tongatapu".