in support-frontend/app/controllers/Application.scala [244:257]
def geoRedirect: Action[AnyContent] = GeoTargetedCachedAction() { implicit request =>
val redirectUrl = buildRegionalisedContributeLink(request.geoData.countryGroup match {
case Some(UK) => "uk"
case Some(US) => "us"
case Some(Australia) => "au"
case Some(Europe) => "eu"
case Some(Canada) => "ca"
case Some(NewZealand) => "nz"
case Some(RestOfTheWorld) => "int"
case _ => "uk"
})
RedirectWithEncodedQueryString(redirectUrl, request.queryString, status = FOUND)
}