the Sunbelt
noun /ðə ˈsʌnbelt/
/ðə ˈsʌnbelt/
[singular]- the southern and south-western parts of the US that are warm for most of the yearCultureThe economic and political power of the states in the Sunbelt has grown since the 1960s as more people move from the Snow Belt and rust belt to the warm climate and new job opportunities of the Sunbelt.