Admob Banner position is not centered, but a little on the right.

The banner is not centered when used: bannerView = new BannerView(adUnitId, AdSize.Banner, AdPosition.Bottom);

Unity version: 2019.3.13f1
Google Mobile Ads Unity plugin version: 5.1.0
Platform: Android (iOS, Android, Unity Editor)
Platform OS version: Latest android
Any specific devices issue occurs on: Samsung Galaxy S10
Mediation ad networks used, and their versions: No

Is your game in portrait or landscape mode ?

If in landscape that is normal behaviour, the banner will be placed in the middle of the SafeArea and not the actual screen (to avoid displaying anything under the notch).