You can let others know where you are (or find out where they are) by using location sharing.
When you share your location in a Messages conversation, it updates in real time right in the conversation. You can share your location by tapping Current Location (above the keyboard) when somebody asks where you are, or do the following:
Go to the Messages app if you change your mind.)
When you share your location in a group conversation and then add other people to the group, you can reshare your location to let everyone see where you are.
When you want to share your location in an SMS conversation, , tap Location, then tap Request.
Send a message that ends with the question, “Where are you?” then tap Request Location (above the keyboard).
Tap the name of the person whose location you want at the top of the conversation, then tap Request Location.
Tap on your iPad.
Start a new message or open a conversation, tap Share your location in Find My on iPad