2TB of Google One storage for £9.58 a year (with today's conversion rate - 290 Turkish Lira)
Use a VPN to connect to a Turkish server. Make a new Google account. Use Revolut or any other card with free conversion rate to pay for Google One.
You will be able to share this data with 5 other accounts. Use Google One app to do so.
If you are unable or don't want to mess with the 'Family' section of your account, you can simply activate 'Partner Sharing' on Google Photos settings. This will upload all your photos of your main account to your newest 2TB account. Once this is done you can also change the settings so everything is backed up directly into your new account.