Prepend a country code to the beginning of all URLs in WordPress

Hello there,

How to prepend a country code to the beginning of all URLs in WordPress ?

For example:

Current URL:
http://website.com/

Expected URL:

http://website.com/sa/
http://website.com/qa/
http://website.com/kw/

I have cookie setup which is store value sa or qa or kw based on geolocation