Do Shaoguan and Qingyuan speak Cantonese or Mandarin?

Most people in Shaoguan and Qingyuan speak Cantonese and generally listen to Mandarin, which is also Cantonese. Young people can speak Mandarin, while old people can speak nonstandard Mandarin, but they can barely speak it. Most people speak Hakka outside the city, but they can understand Cantonese and have a lower acceptance of Putonghua, but they can understand it, but they can't speak Putonghua well.