China

34 top-level regions. Branch depth follows the real hierarchy: China has province → prefecture → county, but municipalities (Beijing, Shanghai, Tianjin, Chongqing) and prefecture-level cities without counties (Dongguan, Zhongshan) stop one level earlier. No level is invented.

• Beijing北京市0
• Tianjin天津市0
• Hebei Province河北省0
• Shanxi Province山西省0
• Neimenggu Autonomous Region内蒙古自治区0
• Liaoning Province辽宁省0
• Jilin Province吉林省0
• Heilongjiang Province黑龙江省0
• Shanghai上海市0
• Jiangsu Province江苏省0
• Zhejiang Province浙江省0
• Anhui Province安徽省0
• Fujian Province福建省0
• Jiangxi Province江西省0
• Shandong Province山东省0
• Henan Province河南省0
• Hubei Province湖北省0
• Hunan Province湖南省0
• Guangdong Province广东省3
• Guangxi广西壮族自治区0
• Hainan Province海南省0
• Chongqing重庆市0
• Sichuan Province四川省0
• Guizhou Province贵州省0
• Yunnan Province云南省0
• Xizang Autonomous Region西藏自治区0
• Shanxi Province陕西省0
• Gansu Province甘肃省0
• Qinghai Province青海省0
• Ningxia宁夏回族自治区0
• Xinjiang新疆维吾尔自治区0
• Taiwan Province台湾省0
• Xianggang SAR香港特别行政区0
• Aomen SAR澳门特别行政区0