One location block for all Nginx error codes

error_page 403 /error/403.html;
error_page 404 /error/404.html;
error_page 405 /error/405.html;
error_page 500 501 502 503 504 /error/5xx.html;

location ^~ /error/ {
    internal;
    root /var/www/default;
}

• http://nginx.org/r/location
• http://nginx.org/r/error_page
• http://nginx.org/r/root