Hi Gus,
Welcome back to the hobby.
TwoD3 is the answer to all of your questions. They meet each Monday for AoS games, have a regular monthly battle meetup, currently have a GT coming up in August as well as a current slow grow and painting competition. They even have started putting out YouTube content. Once you ar eon their page, drop em a line so they can add you into their chat groups as well which is always active and has heaps of the community in there.
Facebook: https://www.facebook.com/TwoD3
Grand Tournament: https://fb.me/e/2ngryIKDd
Email: contacttwod3@gmail.com
YouTube: https://www.youtube.com/channel/UC62cS-iTFSGjbsm8ebXeHaQ