IP Webcam motion detection zones

Hi! welcome to our community!
I think the quick answer for your question is: No. But maybe is possible with some hack.

I suggest read a lot inside this foro. Exists a lot of possible solutions or near the solution that you like.

One example: Home Assistant Community Add-on: motionEye
You can search using the search inside or external (for example Google) like this:

motion webcam home assistant forum site:home-assistant.io

And in order to start: How to help us help you - or How to ask a good question

Welcome again!!