CNMC Modded Geopol is a modded geopolitical server set in the world of Vetran. There are lots of different nations with their own lore and cultures and even custom religions.
When you join you can make your own nation and lead your people. The server is meant for all kinds of players so you can build fight do redstone and more.
It is super active right now with wars going on and big world tensions with their UN. The modpack includes Create so you can automate a lot of stuff. It also has Point Blank which adds guns so pvp feels totally different.
The community is old and huge with over 2k members in the Discord. There is a lot to learn like past battles and old empires and you can even try to bring them back.
It runs on Fabric 1.20.1 and you join using their modpack.
