内地

mainland China (PRC excluding Hong Kong and Macau, but including islands such as Hainan) / Japan (used in Taiwan during Japanese colonization)

inland / interior / hinterland

inside / inner / internal / within / interior

-ly / structural particle: used before a verb or adjective, linking it to preceding modifying adverbial adjunct

earth / ground / field / place / land / CL:片[pian4]