An IP address is a unique numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.
Your public IP address is visible to websites and services you connect to. However, it doesn't reveal your exact physical location or personal information.
Yes, you can change your IP address by using a VPN service, proxy server, or by resetting your router in some cases.
IP geolocation is generally accurate to the city level, but exact addresses cannot be determined from an IP address alone.