Can I find the location of my iPhone

You need to have turned on Find My iPhone.

Use Lost Mode in Find My iPhone on iCloud.comhttps://support.apple.com/guide/icloud/use-lost-mode-mmfc0f0165/icloud

If Find My iPhone is offline or not working https://support.apple.com/en-us/HT204233

More information.

Find My Phone - If your device is lost or stolen.      

If you have Find My Device on you can

Go to www.iCloud.com/find

and sign in

https://www.apple.com/icloud/find-my/