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+# Subpages 
+Subpages are the second tier macro building blocks of Hubs. They function as a canvas for blocks. They are commonly used to house content based on a specific topic.  Subpages can have more subpages nested underneath them, which gives you lots of flexibility to organize your hub as you see fit. If a subpage has subpages nested inside of it, it will be displayed as a collapsible group in the left sidebar
+
+### Hubs Architecture Top Down
+- Pages 
+    - Subpages 
+        - Blocks
+    - Header and Footer 
+    - Blocks  
+
+## How 
+
+### Create a New Subpage 
+
+1. Select the Hub you wish to modify 
+2. Click on Toggle Editor 
+3. Select + Subpage in the editor toolbar
+    1. Input a Subpage Name 
+    2. Modify the Subpage Route (optional) 
+    3. Give the Subpage a SIdebar Token (optional) 
+    4. Power the Subpage with an External Data Source (optional) 
+
+<callout> Subpages populate the navigational sidebar of a page. </>
+
+<callout> Just like pages, subpages can have blocks. Any blocks added to a subpage will be displayed when a reader navigates to that subpage in your hub</>