/usr/share/nginx/html/

[root@localhost nginx]# cd /usr/share/nginx/html/

[root@localhost html]# ll

total 8

-rw-r--r--. 1 root root 497 May 29 05:12 50x.html

-rw-r--r--. 1 root root 615 May 29 05:12 index.html