Vava’u electorates will receive a new general electorate change, while 15 other electorates across Tonga remain unchanged.   Tonga’s electorates have 17 altogether in which10 constituencies are on the mainland Tongatapu, one in Eua, two in Ha’apai, three in Vava’u and one for the Niuas. The Tonga Electoral Boundaries Commission released its proposed Vava'u electoral…