Hi there, my name is Bojan and I am from Serbia, I work in the municipal waterworks of the town of Sabac. I am new to GIS and I have chosen ESRI for a start because I think it's the best platform to work and implement various features.
Welcome, @BojanBabic!
That's awesome to hear you're just getting started with GIS.
Please be sure to check out the following Community-use resources to get you started:
Noting you're just getting started in the GIS field, here's a few Places in Community that may be a good starting point:
Please feel free to reach out if you have any questions about using Esri Community.