Ah man it's depressing watching the fall of google. From my gmail beta account which was incredible to do no evil, google are great, theyre open, to so many cancelled projects replaced by similar ones(ehem chats and video chats) and so much bad behavior with their ads.

If you don't want that, you should look into microG. It replaces Google Play Services with an open source reimplementation, so apps that use it and stuff like location still work but without actually talking to Google. If an app uses Google Maps, it will instead use OpenStreetMap, for example. There's a version of LineageOS, which ships without Google stuff and instead with microG and F-Droid as well.

Look into custom ROMs, there's a few degoogled privacy focused ROMs but support depends on ur mobile. You can also degoogle it yourself but can be quite time consuming.