Without GPS and cellular connections in iPhones, Macs have a more limited choice of methods for estimating their location. Most important and accurate information comes from nearby Wi-Fi access points.
IP address
What are ports in networking, and where would you find them? What use are they apart from making networking more confusing?
Further suggestions for setting your router up, to keep your local network safe, secure, and free from trouble.
Half the time I start my iMac up, it reports that something else is using the same IP address. How can I fix that?
How does creating a new location in the Network pane solve network lockout problems?
Periodically, my MiFi dumps my Macs off the Internet connection. Why?
Having redundant Internet connections is a good idea, but you must only have one DHCP server.
More than 6 million routers will need to be replaced in 2016 to prepare for switching to IPv6. Are you affected?
My networked printer disappears when my iMac is not running. Why?
What is the network address of your Mac? Is that its MAC, IPv4, or IPv6 address, how is each assigned, and how do they relate to one another?
The Eclectic Light Company 