I use Cryptomator for the cloud. It creates an encrypted volume which you can put wherever you like. If it’s well encrypted with a secure password that only you know, then it doesn’t matter where it is kept, generally. Certainly for most threat models.
Those saying ‘they aren’t looking for you’ and ‘you’re just a voice in the crowd’ are massively missing the point. Mass surveillance, be it at a gov level, or a multinational advertising level, or a hacking risk level or any level you care to think about, all exists but is generally NOT the point. The point is to create a level of privacy that ensures that the information you wish to keep wherever you want, remains private. It doesn’t matter whether you or anyone else feels it’s worth knowing or not. It should be private.
OP- keeping it away from the internet is the most private. If you wish to be able to store it on a cloud somewhere, you need to ensure only you hold the keys to decrypt it. I suggest Cryptomator. Look in to it, it’s hugely useful open source and free and very easy to use.