Based on this information, it is difficult to say anything. Too inaccurate information.
The Google Chrome cache, which you need to regularly delete if you do not use any auto-delete tool such as CCleaner, is normally located in the folder %LocalAppData%\Google\Chrome\User Data\Default\Cache
and folder %LocalAppData%\Google\Chrome\User Data\Default\Code Cache\js
(there may stay only index-dir folder)
It is also recommended that you delete the contents of the folder Service Worker and the blob_storage folder regularly.
If you are using a custom installation, you need to know where these folders are stored in Your case.