How do they still know my location?

This is weird as frick. I auto-delete my cookies and history every time I close my browser and I'm in a new private window right now. I'm also using a service to mask my IP address and my location services are off. However, two things have told me that I am somehow still not anonymous. 1. When I logged into YouTube I went to account/security and checked under "Your devices" it listed my real location. 2. When I put in …

location privacy