According to Top China Travel's website. Here are the most visited places in China.:
1. Beijing
2. Shanghai
3. Xi'an
4. Hong Kong
5. Guilin
6. Guangzhou
7. Chengdu
8. Hangzhou
9. Suzhou
10. Sanya
I personally love Guilin because of its scenery, environment, and air quality. I studied in a Chinese language school in Yangshuo which is a county in Guilin and I really love my stay. I've been to other cities as well but nothing is compared to Yangshuo.