The First step is to log into your Facebook Business Manager. You can do this by following this link; https://business.facebook.com/
Once you have logged into your Facebook Business Manager you will be brought to this page, on the left side of the homepage you will see these options.
Click on the Business All Tools app launcher (burger menu) beside Facebook for shortcuts. then click on Business settings.
After you click on Business Settings you will be brought to this page. On the left side of the screen you will see these options. Click on Pages for the next step.
Once you are brought to this page on the left side of the page their is a search box you can then search for the Facebook page you want to change locations for. This will benefit you if you own multiple Facebook Business pages.
Once you have found your Business' Facebook page, click view page.
You will then be brought to your Facebook Business page's profile. On the right side of the page you should be able to see the location of your business on a map. To edit the location click See All.
Once you have clicked See All, you will be brought to the page below. The next step is to click on Edit Page Info.
You will then be brought to Edit your details. Scroll down on this page until you reach the MAP on the page. The next step is to change the location on your Facebook Business page & then click save changes. The location of your Facebook Business page should now be changed on Facebook.
If you log into Facebook Business Manager and see the below on the left side of your screen click on "All tools".
Once you click on "All tools" click on "Page settings" you will then be brought to your Facebook Business page through Facebook Business Manager. On the left side of your screen you should see "Page Info" click here to continue the process.
Once you scroll down the page you should see your Location. Here you can manually update your Facebook Business pages Address. You have now successfully update your Facebook Business pages address.
If you need any other assistance doing this click on the chatbot icon on the bottom right corner of your screen.