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🆕 Adding a new sub collection

Group related articles inside a collection by adding a sub collection page in Notion.

Last updated on July 9, 2026

Sub collections are the middle layer of your content tree: root page → collection → sub collection → articles. On your published site they act as group headers — sections on the collection's page in the Help Center layout, and grouped entries in the sidebar of the Documentation layout.

To add one:

  1. Open the collection page that should contain the new group.
  2. Create a sub page with /page and give it a clear name like "Billing" or "Troubleshooting".
  3. Move or create your article pages inside it.

Sub collections are optional — small categories can skip them entirely and list articles directly. See 📂 Creating a Single-Level Category.

Sub collections inside a collection
Sub collections inside a collection

📽 Video Instruction:

Creating a sub collection
Creating a sub collection
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Like all structure changes, a new sub collection appears only after a sync. Click Resync in Settings → Help Centers to see it live immediately.
Resync button in console
Resync button in console
✨ Adding emojis/icons to your collection↪️ Changing the position of a sub collection
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