I wonder why Twitter said 'place' instead of 'country' here. Oh. Oh, I see.pic.twitter.com/BZIZrCwch5
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
I'm 100% OK with it, but one-country-two-systems is going to grind that up. Maybe that's the point.