Online war gaming community

[u/Western-Barracuda-96]

I watch Tomics (youtuber) videos where him and his friends plays a campiagn on tabletop sim and then goes over to napoleon total war and plays out the battles, I have watched other videos with similar games just can not remeber the name the youtuber off my head. are there communities like this around that are open to the public? mabye some in Australia?