What countries are using XRP?

I'm curious to know, which countries are actively utilizing XRP in their financial systems? I've heard rumors about its increasing popularity, but I'd like to get a clearer picture. Could you provide me with a list of the countries that are currently embracing this cryptocurrency, and perhaps even give me a brief overview of how they're integrating it into their economic landscapes? I'm particularly interested in understanding the regulatory frameworks and the business cases that are driving this adoption. Your insights would be greatly appreciated.