Obsidian is based in Canada. Obsidian Sync is E2E encrypted so the company has no way of accessing your files. The privacy policy is here https://obsidian.md/privacy
You also do not need to trust Obsidian with any of your data. The files are local to your device so you can sync them however you want. If you don't want to use Obsidian Sync you can use Git, Dropbox, Syncthing, etc.
You also do not need to trust Obsidian with any of your data. The files are local to your device so you can sync them however you want. If you don't want to use Obsidian Sync you can use Git, Dropbox, Syncthing, etc.