Where is the save directory for screenshot?

For 18.04: ~/Pictures

From: https://linuxconfig.org/how-to-take-a-screenshot-on-ubuntu-18-04-bionic-beaver-linux

screenshot is a default application for taking screenshots on Gnome desktop. To take screenshot simply hit PrtSc button on your keyboard and the screenshot of your entire desktop will be taken and saved as *.png file inside your ~/Pictures directory.

It should be the desktop directory: ~/Desktop.

You can change it before pressing "Save" button.

On my keyboard, Microsoft Wireless Natural Multimedia Keyboard, if I use the right Shift key along with the Print key, I am able to select screenshot area and save the image to a location. If I use the left Shift key along with Print key, i am able to select print area but it copies the image to the clipboard. Side note, I don't believe Left Shift+Ctrl+ Print does anything different than Left Shift+Print, both give you a cross hair and copy to clipboard.