Configure multi site on nginx server through IP using Digital Ocean

Problem: Unable to hit two websites handled under one nginx server i.e. <<ip-address>> & <<ip-address>>/web2

Configuration on Digital Ocean:

1. 1 Droplet / Ubuntu 18 / LEMP
2. I have two test PHP website in the CodeIgniter framework
3. Folder config for 1st Website: /var/www/html/web1/
4. Folder config for 2nd Website: /var/www/html/web2/

Nginx Server Block configuration for two sites

web1.com

server {
        listen 80;
        root /var/www/html/web1;
        index index.php index.html index.htm index.nginx-debian.html;
        server_name <<ip-address>>;
        location / {
                try_files $uri $uri/ /index.php;
        }
        location ~ \.php$ {
                include snippets/fastcgi-php.conf;
                fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
        }
        location ~ /\.ht {
                deny all;
        }
}

web2.com

server {
        listen 80;
        root /var/www/html/web2;
        index index.php index.html index.htm index.nginx-debian.html;
        server_name <<ip-address>>/web2;
        location /web2/ {
                try_files $uri $uri/ /index.php;
        }
        location ~ \.php$ {
                include snippets/fastcgi-php.conf;
                fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
        }
        location ~ /\.ht {
                deny all;
        }
}

I am totally new to nginx server, I do according to the documentation provided by a community under a digital ocean.

Please help!

Thanks.