Do you drive past that area on a regular basis?
If Android is anywhere near as intrusive as iOS, it might be capturing positional fixes from cellular base stations and WiFi access points as well as GPS data.
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I drive to and from those red dots on the left side of the map on a regular basis, but the others on the right side of the map are places I havenāt been to and are some kilometres away. And those false locations straddle a motorway which I havenāt crossed over or been near.
It might be that thereās a cellular base station there that your phone is reporting signal levels on as itās a potential handover candidate.
In calls (voice and data), your 3/4/5G smart phone is reporting signal strength, signal quality and pathloss information on the cell youāre currently using and at least 3-4 neighbouring cells.
If the baseband chipset (the bit that does the radio magic stuff) is passing this information to the Android operating system, just passing within 5-10 kilometres of these cells on a regular basis might get them added to your visited locations register.
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If you are concerned that your phone has been cloned, you can sign into your Google account and do a security check. You can see what devices are signed into your account and if you donāt recognise any, then you should sign out & delete that device then change your password.
Just a suggestion, but more than likely itās an inaccurate GPS ping. Bon chance 
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Iāve turned everything off in my google account. I also check it every couple of months, as they sometimes change the way some settings work, and you can find some things turned back on. You can also delete a lot of the data google has collected from you in the past, including your location history. I really donāt like the idea that some organisation knows where Iāve been, or what I do or like. Itās very creepy.
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Yeah fot some reason Google product updates, and Android, seem to repeatedly switch various privacy settings to whatever sends data back to Google as a default. For sure, for any new option they introduce (that you might not know about) And often enough for random other settings you had set up that declined various data sends.
Strange, that.
Recently discovered what happens when you switch or better, disable your Advertising ID. Sites clearly notice each of these in different ways. A hint of just how much they were hoovering up before.
Iām now looking into spoofing my device ID which seems a lot harder. Any tips will be gratefully received 
This odd thing just happened. Itās a bit different from Bonzocatās issue. According to my Google Maps timeline one day last week I drove 200 km to a campsite in Spain, and the following day drove back home. Iāve never to been to this location or near it, and I was at home both days. Any ideas whatās going on ?
Update: checking security on my Google acct it says the device Iām using is a Linux computer in Spain . . . it isnāt . . . there is no option to log out of the device (there is for the devices that are actually mine) . . . any advice gratefully received
That would be Google fsck-ing up in some way, or alternatively, your account has been linked to that Linux machine, either fraudulently or by error.
When 2 Google email accounts are owned by two people with identical names, it is possible to find yourself in such a position.
I know of someone with the same first name, and surname, of the opposite sex to me, who is substantially younger, and who lives in Australia. They are totally unrelated to me, or at least, I donāt know that branch of the family. Unfortunately, they have taken the same email address format as I have with my own Google email address.
As a result, I have had similar alerts about access to my account in Australia (when in fact, it hasnāt) and I have also received emails to that person for orders placed in Australia for delivery in Australia (such as a sofa they recently acquired for their home). Nothing untoward has ever happened with my payments or any other suspicious banking activity, but Google continues to screw up from time to time and send me their mail.
A few years ago, I had similar emails from homonyms located (1) in Hertfordshire (a teenage girl) with same shortened name as me, and (2) another chap with the same name as me living in another part of Australia and doing a totally different job. Google seems to be incapable of differentiating between us, on occasion, but the confusion isnāt systematic, and I have no idea what triggers it.
The most annoying thing about it so far is the subscription to email lists from advertisers in which I have absolutely no interest, and unsubscribing doesnāt work.