diff --git a/src/site/azext_site/_help.py b/src/site/azext_site/_help.py
index 126d5d00714..058091b3cfc 100644
--- a/src/site/azext_site/_help.py
+++ b/src/site/azext_site/_help.py
@@ -9,3 +9,11 @@
 # pylint: disable=too-many-lines
 
 from knack.help_files import helps  # pylint: disable=unused-import
+
+helps['site quickstart'] = """
+type: command
+short-summary: Quickstart deploy Site + Config + ConfigRef using an internal ARM template.
+examples:
+  - name: Resource group scope
+    text: az site quickstart --name MySite01 --defaultconfiguration -g MyRG
+"""
diff --git a/src/site/azext_site/aaz/latest/site/__init__.py b/src/site/azext_site/aaz/latest/site/__init__.py
index c401f439385..e2ef26b7f37 100644
--- a/src/site/azext_site/aaz/latest/site/__init__.py
+++ b/src/site/azext_site/aaz/latest/site/__init__.py
@@ -14,3 +14,4 @@
 from ._list import *
 from ._show import *
 from ._update import *
+from ._quickstart import *
\ No newline at end of file
diff --git a/src/site/azext_site/aaz/latest/site/_quickstart.py b/src/site/azext_site/aaz/latest/site/_quickstart.py
new file mode 100644
index 00000000000..0e8a3abe6bf
--- /dev/null
+++ b/src/site/azext_site/aaz/latest/site/_quickstart.py
@@ -0,0 +1,219 @@
+# --------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for license information.
+# --------------------------------------------------------------------------------------------
+
+import json
+from pathlib import Path
+from azure.cli.core.aaz import (  # type: ignore[import-unresolved]
+    AAZCommand,
+    AAZStrArg,
+    AAZStrArgFormat,
+    AAZBoolArg,
+    AAZResourceGroupNameArg,
+    has_value,
+    register_command,
+    AAZResourceLocationArg
+)
+from azure.cli.core.azclierror import (  # type: ignore[import-unresolved]
+    InvalidArgumentValueError,
+    FileOperationError,
+    CLIInternalError,
+)
+from azure.cli.core import get_default_cli  # type: ignore[import-unresolved]
+from knack.log import get_logger
+
+logger = get_logger(__name__)
+
+
+def _resolve_template_path() -> Path:
+    # ...\azext_site\aaz\latest\site\_quickstart.py -> ...\azext_site\templates\infra\main.json
+    azext_root = Path(__file__).resolve().parents[3]  # ...\azext_site
+    return azext_root / "templates" / "infra" / "main.json"
+
+
+@register_command("site quickstart")
+class Quickstart(AAZCommand):
+    """Quickstart: deploy internal ARM template to create Site + Config + ConfigRef."""
+
+    _args_schema = None
+
+    @classmethod
+    def _build_arguments_schema(cls, *args, **kwargs):
+        if cls._args_schema is not None:
+            return cls._args_schema
+
+        cls._args_schema = super()._build_arguments_schema(*args, **kwargs)
+        _args_schema = cls._args_schema
+
+        _args_schema.name = AAZStrArg(
+            options=["-n", "--name"],
+            required=True,
+            help="Site name (siteName).",
+            fmt=AAZStrArgFormat(
+                pattern=r"^[a-zA-Z0-9][a-zA-Z0-9-_.]{0,62}[a-zA-Z0-9]$",
+                min_length=2,
+                max_length=64,
+            ),
+        )
+
+        _args_schema.defaultconfiguration = AAZBoolArg(
+            options=["--defaultconfiguration", "--default-configuration"],
+            help="Trigger the internal ARM template flow (Site + Config + ConfigRef).",
+        )
+
+        _args_schema.resource_group = AAZResourceGroupNameArg(
+            options=["-g", "--resource-group"],
+            required=True,
+            help="Resource group for deployment.",
+        )
+
+        _args_schema.location = AAZResourceLocationArg(
+            options=["-l", "--location"],
+            help="Location for the deployment. Default: resource group location.",
+        )
+
+        _args_schema.config_name = AAZStrArg(
+            options=["--config-name"],
+            help="Optional configName override. Default in template: 'siteName-configuration'.",
+        )
+
+        return cls._args_schema
+
+    def _handler(self, command_args):
+        super()._handler(command_args)
+
+        if not self.ctx.args.defaultconfiguration:
+            raise InvalidArgumentValueError("Specify --defaultconfiguration to run quickstart.")
+
+        return self.handle()
+
+    def handle(self):
+        template = _resolve_template_path()
+        if not template.exists():
+            raise FileOperationError(f"Internal ARM template not found: {template}")
+
+        site_name = self.ctx.args.name.to_serialized_data()
+        rg = self.ctx.args.resource_group.to_serialized_data()
+        deployment_name = f"site-quickstart-{site_name}"
+
+        invoke_args = [
+            "deployment", "group", "create",
+            "--name", deployment_name,
+            "--resource-group", rg,
+            "--template-file", str(template),
+            "--parameters", f"siteName={site_name}",
+            "--only-show-errors",
+            "--output", "none",
+        ]
+
+        if has_value(self.ctx.args.location):
+            loc = self.ctx.args.location.to_serialized_data()
+            invoke_args.extend(["--parameters", f"location={loc}"])
+
+        if has_value(self.ctx.args.config_name):
+            cfg = self.ctx.args.config_name.to_serialized_data()
+            invoke_args.extend(["--parameters", f"configName={cfg}"])
+
+        cli = get_default_cli()
+        rc = cli.invoke(invoke_args)
+        if rc != 0:
+            # Capture the original error first (before more invokes overwrite cli.result)
+            underlying_error = None
+            if getattr(cli, "result", None) is not None:
+                underlying_error = getattr(cli.result, "error", None)
+
+            deployment_error = None
+            failed_ops = None
+
+            # Try to fetch ARM deployment error object (code/message/details)
+            try:
+                show_args = [
+                    "deployment", "group", "show",
+                    "--name", deployment_name,
+                    "--resource-group", rg,
+                    "--only-show-errors",
+                    "--query", "properties.error",
+                    "--output", "json",
+                ]
+                cli.invoke(show_args)
+                if getattr(cli, "result", None) is not None:
+                    deployment_error = cli.result.result
+            except Exception:
+                deployment_error = None
+
+            # Try to fetch failed operations (often contains the most actionable message)
+            try:
+                ops_args = [
+                    "deployment", "operation", "group", "list",
+                    "--name", deployment_name,
+                    "--resource-group", rg,
+                    "--only-show-errors",
+                    "--query",
+                    "[?properties.provisioningState=='Failed']."
+                    "{type:properties.targetResource.resourceType,"
+                    " name:properties.targetResource.resourceName,"
+                    " statusMessage:properties.statusMessage}",
+                    "--output", "json",
+                ]
+                cli.invoke(ops_args)
+                if getattr(cli, "result", None) is not None:
+                    failed_ops = cli.result.result
+            except Exception:
+                failed_ops = None
+
+            msg = (
+                "ARM deployment failed for site quickstart. "
+                f"Deployment name: {deployment_name}, resource group: {rg}."
+            )
+            if underlying_error:
+                msg = f"{msg}\nUnderlying error: {underlying_error}"
+
+            if deployment_error:
+                msg = f"{msg}\nDeployment error:\n{json.dumps(deployment_error, indent=2)}"
+
+            if failed_ops:
+                msg = f"{msg}\nFailed operations:\n{json.dumps(failed_ops, indent=2)}"
+
+            raise CLIInternalError(msg)
+
+        # 2) Query deployment operations and print friendly success messages
+        ops_args = [
+            "deployment", "operation", "group", "list",
+            "--name", deployment_name,
+            "--resource-group", rg,
+            "--only-show-errors",
+            "--output", "none",
+        ]
+        cli.invoke(ops_args)
+        ops = []
+        if getattr(cli, "result", None) is not None:
+            ops = cli.result.result or []
+
+        succeeded_types = set()
+        if isinstance(ops, list):
+            for op in ops:
+                if not isinstance(op, dict):
+                    continue
+                props = op.get("properties") or {}
+                if not isinstance(props, dict):
+                    continue
+                if props.get("provisioningState") != "Succeeded":
+                    continue
+                tr = props.get("targetResource") or {}
+                if isinstance(tr, dict):
+                    rtype = tr.get("resourceType")
+                    if rtype:
+                        succeeded_types.add(rtype)
+
+        if "Microsoft.Edge/sites" in succeeded_types:
+            print("Site created successfully.")
+        if "Microsoft.Edge/Configurations" in succeeded_types:
+            print("Config created successfully.")
+        if "Microsoft.Edge/configurationReferences" in succeeded_types:
+            print("Config reference created successfully.")
+
+        if not ({"Microsoft.Edge/sites", "Microsoft.Edge/Configurations", "Microsoft.Edge/configurationReferences"} & succeeded_types):
+            print("Deployment completed successfully.")
+
+        return None
\ No newline at end of file
diff --git a/src/site/azext_site/templates/infra/main.json b/src/site/azext_site/templates/infra/main.json
new file mode 100644
index 00000000000..f530de6d040
--- /dev/null
+++ b/src/site/azext_site/templates/infra/main.json
@@ -0,0 +1,173 @@
+{
+  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
+  "contentVersion": "1.0.0.0",
+  "parameters": {
+    "siteApiVersion": {
+      "type": "string",
+      "defaultValue": "2025-06-01"
+    },
+    "configApiVersion": {
+      "type": "string",
+      "defaultValue": "2025-06-01"
+    },
+    "configChildApiVersion": {
+      "type": "string",
+      "defaultValue": "2024-09-01-preview"
+    },
+    "configRefApiVersion": {
+      "type": "string",
+      "defaultValue": "2025-06-01"
+    },
+    "siteName": {
+      "type": "string"
+    },
+    "resourceGroupName": {
+      "type": "string",
+      "defaultValue": "[resourceGroup().name]"
+    },
+    "description": {
+      "type": "string",
+      "defaultValue": ""
+    },
+    "labels": {
+      "type": "object",
+      "defaultValue": {}
+    },
+    "siteAddress": {
+      "type": "object",
+      "defaultValue": {
+        "streetAddress1": "",
+        "streetAddress2": "",
+        "city": "",
+        "stateOrProvince": "",
+        "country": "",
+        "postalCode": ""
+      }
+    },
+    "location": {
+      "type": "string",
+      "defaultValue": "eastus"
+    },
+    "configName": {
+      "type": "string",
+      "defaultValue": "[concat(parameters('siteName'), '-configuration')]"
+    },
+    "connectivityConfigName": {
+      "type": "string",
+      "defaultValue": "connectivityConfig1"
+    },
+    "secretConfigName": {
+      "type": "string",
+      "defaultValue": "secretconfig1"
+    },
+    "networkConfigName": {
+      "type": "string",
+      "defaultValue": "networkConfig1"
+    },
+    "networkConfigurationKind": {
+      "type": "string",
+      "defaultValue": "LAN"
+    },
+    "tsConfigName": {
+      "type": "string",
+      "defaultValue": "tsconfig1"
+    },
+    "timeServerConfiguration": {
+      "type": "object",
+      "defaultValue": {}
+    },
+    "connectivityConfiguration": {
+      "type": "object",
+      "defaultValue": {}
+    },
+    "securityConfiguration": {
+      "type": "object",
+      "defaultValue": {}
+    },
+    "networkConfiguration": {
+      "type": "object",
+      "defaultValue": {
+        "scenario": "Provisioning",
+        "ipAssignments": {
+          "ipAssignmentType": "Manual",
+          "ipv4": {
+            "addressRange": {
+              "startIp": "192.168.100.10",
+              "endIp": "192.168.100.50"
+            },
+            "subnetMask": "255.255.255.0",
+            "defaultGateway": "192.168.100.1",
+            "dnsServers": [],
+            "vLanId": 0
+          }
+        }
+      }
+    }
+  },
+  "variables": {
+    "siteId": "[resourceId('Microsoft.Edge/sites', parameters('siteName'))]",
+    "configId": "[resourceId('Microsoft.Edge/Configurations', parameters('configName'))]"
+  },
+  "resources": [
+    {
+      "type": "Microsoft.Edge/sites",
+      "apiVersion": "[parameters('siteApiVersion')]",
+      "name": "[parameters('siteName')]",
+      "properties": {
+        "displayName": "[parameters('siteName')]",
+        "description": "[parameters('description')]",
+        "siteAddress": {
+          "streetAddress1": "[parameters('siteAddress').streetAddress1]",
+          "streetAddress2": "[parameters('siteAddress').streetAddress2]",
+          "city": "[parameters('siteAddress').city]",
+          "stateOrProvince": "[parameters('siteAddress').stateOrProvince]",
+          "country": "[parameters('siteAddress').country]",
+          "postalCode": "[parameters('siteAddress').postalCode]"
+        },
+        "labels": "[parameters('labels')]"
+      }
+    },
+    {
+      "type": "Microsoft.Edge/Configurations",
+      "apiVersion": "[parameters('configApiVersion')]",
+      "name": "[parameters('configName')]",
+      "location": "[parameters('location')]",
+      "properties": {},
+      "resources": [
+        {
+          "type": "NetworkConfigurations",
+          "apiVersion": "[parameters('configChildApiVersion')]",
+          "name": "[parameters('networkConfigName')]",
+          "dependsOn": [
+            "[resourceId('Microsoft.Edge/Configurations', parameters('configName'))]"
+          ],
+          "kind": "[parameters('networkConfigurationKind')]",
+          "properties": "[parameters('networkConfiguration')]"
+        }
+      ]
+    },
+    {
+      "type": "Microsoft.Edge/configurationReferences",
+      "apiVersion": "[parameters('configRefApiVersion')]",
+      "name": "default",
+      "scope": "[variables('siteId')]",
+      "dependsOn": [
+        "[variables('siteId')]",
+        "[variables('configId')]"
+      ],
+      "properties": {
+        "configurationResourceId": "[variables('configId')]"
+      }
+    }
+  ],
+  "outputs": {
+    "siteId": {
+      "type": "string",
+      "value": "[variables('siteId')]"
+    },
+    "configId": {
+      "type": "string",
+      "value": "[variables('configId')]"
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/site/azext_site/tests/latest/test_site.py b/src/site/azext_site/tests/latest/test_site.py
index 9e791a28a41..768e8fdc9b2 100644
--- a/src/site/azext_site/tests/latest/test_site.py
+++ b/src/site/azext_site/tests/latest/test_site.py
@@ -114,6 +114,23 @@ def test_edge_site_crud(self):
             ],
         )
 
+        #Quickstart deploy (Site + Config + ConfigRef)
+        site_name = self.create_random_name(prefix="clitestqs", length=24)
+        deployment_name = f"site-quickstart-{site_name}"
+        self.kwargs.update({
+            "qs_site": site_name,
+            "qs_deployment": deployment_name,
+        })
+        self.cmd(
+            "az site quickstart -g {rg} -n {qs_site} --defaultconfiguration",
+            checks=[
+                self.check("name", "{qs_deployment}"),
+                self.check("properties.provisioningState", "Succeeded"),
+                self.exists("properties.outputs.siteId.value"),
+                self.exists("properties.outputs.configId.value"),
+            ],
+        )
+
         #List Sites at resource group scope
         result = self.cmd(
             "az site list -g {rg}"
@@ -131,3 +148,5 @@ def test_edge_site_crud(self):
 
         #Delete Site at subscription scope
         self.cmd("az site delete --site-name TestSubsSiteName --yes")
+
+    
\ No newline at end of file
diff --git a/src/site/setup.cfg b/src/site/setup.cfg
index 2fdd96e5d39..67b297a94f2 100644
--- a/src/site/setup.cfg
+++ b/src/site/setup.cfg
@@ -1 +1,5 @@
-#setup.cfg
\ No newline at end of file
+#setup.cfg
+
+[options.package_data]
+azext_site =
+    templates\**\*.json
\ No newline at end of file