Where are the Hakkas from in Guangdong?

Hakka people in Guangdong, that is, people who speak Hakka in Guangdong, are collectively referred to as the areas under the jurisdiction of Meizhou, Huizhou, Heyuan, Shaoguan, Shenzhen, Longyan, Sanming, Ganzhou, Hezhou, Taoyuan, Miaoli and Hsinchu. Hakkas, also known as Hakkas, are a distinctive Chinese nation: the Han nationality, which is also one of the most widely distributed and far-reaching nationalities in the world. Hakka ancestors originated in the Central Plains and Lingnan aborigines, and finally formed in Lingnan. Moreover, Hakkas are known as "Oriental Jews" because they travel around the world and emigrate to the world, and there are many successful people in overseas business circles, especially in Indonesia, Malaysia, Thailand and Singapore in Southeast Asia.