Voice Recorder users only: Recordings located in "Recently deleted" category are hidden and do not appear in the recordings folder.
Android 11+ devices
Due to the latest Android storage access updates, recordings are now stored in app-specific directory on internal storage:
The recordings directory now appears in Settings -> Files Options -> Directory
Android 10 and older
All Recordings are stored in Voice Recorder folder on internal storage.
Internal Storage can be selected from "Browse" tab in Files by Google app. You can check that folder using any file manager app.