diff --git a/sphinx_doc/images/architectural_diagram.png b/sphinx_doc/images/architectural_diagram.png
new file mode 100644
index 0000000000000000000000000000000000000000..142112ff70b56fa80fd395c4909a1da0a3fcb813
Binary files /dev/null and b/sphinx_doc/images/architectural_diagram.png differ
diff --git a/sphinx_doc/index.rst b/sphinx_doc/index.rst
index 7b9d996c864812e14581d5e404ba3bbf7721477e..6077eeba7444cfe2dad58ec6a2dbc88fdb143080 100644
--- a/sphinx_doc/index.rst
+++ b/sphinx_doc/index.rst
@@ -32,6 +32,11 @@ Here you will find documentation on how to install and use |PN| with a Turtlebot
 3, as well as how to customize it for other robots, tune the behavior for better
 performance, as well as customize the internals for advanced results.
 
+.. image:: images/architectural_diagram.png
+    :height: 720px
+    :width: 1024px
+    :alt: Navigation2 Block Diagram
+
 Sections
 ********