The province with the largest number of key cultural relics protection units in China is Shanxi!
Shanxi (1 19) Henan (97) Shaanxi (89) Hebei (86) Zhejiang (74) Sichuan (62) Beijing (60) Jiangsu (53) Hubei (52) Shandong (5 1) Guangdong (44 Jiangxi (24) Guangxi (22) Guizhou (19) Jilin (18) Shanghai (16) Heilongjiang (14) Chongqing (13) Qinghai (/kloc-0).
In addition, there are many prefecture-level cities with national key cultural relics protection units, including Xi 'an (33) Baoding (24) Yuncheng (22) Jincheng (15).
The county (county-level city) with the largest number of key cultural relics protection units in China: Dengfeng City (13)