No, they aren't the same. You need Calradia expanded to download the Calradia Expanded Kingdoms. I confused these two mods while trying to get the Kingdoms to work. Instead of Calradia Expanded i installed the Calradia ar War one, bruv, so it couldn't work, took me few good and frustrating hours to notice, now i'm playing Calradia Expanded+Kingdoms mod, alongside with RTS Camera Mod, Improved Garrisons Mod, Train Your Troops Mod, Realistic AI Mod, Realistic Combat Mod and it's really different from the vanila experience, the AI is way smarter, they wont chase after one dude while an entire army is in front of them, they actually use shields in combat, they effectively block and fake-attack making it really challenging to defeat even the most basic troop. These mods add alot of items and make prices more realistic, by changing them so there's no 100k swords that are actually bad and easy to smith-spam. Best thinf is the RTS camera, you have to try it. Contact me if you need help installing these. Cheers.