Your Google Account info
These details are used to personalize ads based on info you've shared or that's been guessed. Manage in your Google Account
Categories used to show you ads
You may see ads meant for people in these categories, which are based on your Google activity. You can get ads for a different category, or turn off anything you don’t want used.
Activity used to personalize ads
Things you do on Google sites and apps, including your general area while using them, may be used to personalize the ads you see.