diff --git a/examples/vpc/scenario02/main.tf b/examples/vpc/scenario02/main.tf
index b368fa320..56f35eab1 100644
--- a/examples/vpc/scenario02/main.tf
+++ b/examples/vpc/scenario02/main.tf
@@ -41,6 +41,16 @@ resource "ncloud_subnet" "subnet_scn_02_private" {
   // PRIVATE(Private)
 }
 
+resource "ncloud_subnet" "subnet_scn_02_public_natgw" {
+  vpc_no         = ncloud_vpc.vpc_scn_02.id
+  subnet         = cidrsubnet(ncloud_vpc.vpc_scn_02.ipv4_cidr_block, 8, 2)
+  // "10.0.2.0/24"
+  zone           = "KR-2"
+  network_acl_no = ncloud_network_acl.network_acl_02_public.id
+  subnet_type    = "PUBLIC"
+  usage_type     = "NATGW"
+}
+
 # Network ACL
 resource "ncloud_network_acl" "network_acl_02_public" {
   vpc_no = ncloud_vpc.vpc_scn_02.id
@@ -78,9 +88,10 @@ resource "ncloud_public_ip" "public_ip_scn_02" {
 
 # NAT Gateway
 resource "ncloud_nat_gateway" "nat_gateway_scn_02" {
-  vpc_no = ncloud_vpc.vpc_scn_02.id
-  zone   = "KR-2"
-  name   = var.name_scn02
+  vpc_no    = ncloud_vpc.vpc_scn_02.id
+  subnet_no = ncloud_subnet.subnet_scn_02_public_natgw.id
+  zone      = "KR-2"
+  name      = var.name_scn02
 }
 
 # Route Table
diff --git a/ncloud/data_source_ncloud_nat_gateway_test.go b/ncloud/data_source_ncloud_nat_gateway_test.go
index cf4ae8682..819a6bf83 100644
--- a/ncloud/data_source_ncloud_nat_gateway_test.go
+++ b/ncloud/data_source_ncloud_nat_gateway_test.go
@@ -2,9 +2,10 @@ package ncloud
 
 import (
 	"fmt"
-	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
 	"testing"
 
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
+
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
 )
 
@@ -29,6 +30,9 @@ func TestAccDataSourceNcloudNatGateway_basic(t *testing.T) {
 					resource.TestCheckResourceAttrPair(dataName, "nat_gateway_no", resourceName, "nat_gateway_no"),
 					resource.TestCheckResourceAttrPair(dataName, "zone", resourceName, "zone"),
 					resource.TestCheckResourceAttrPair(dataName, "vpc_no", resourceName, "vpc_no"),
+					resource.TestCheckResourceAttrPair(dataName, "subnet_no", resourceName, "subnet_no"),
+					resource.TestCheckResourceAttrPair(dataName, "subnet_name", resourceName, "subnet_name"),
+					resource.TestCheckResourceAttrPair(dataName, "public_ip_no", resourceName, "public_ip_no"),
 				),
 			},
 		},
@@ -42,8 +46,18 @@ resource "ncloud_vpc" "vpc" {
 	ipv4_cidr_block = "10.3.0.0/16"
 }
 
+resource "ncloud_subnet" "subnet" {
+  vpc_no         = ncloud_vpc.vpc.id
+  subnet         = cidrsubnet(ncloud_vpc.vpc.ipv4_cidr_block, 8, 1)
+  zone           = "KR-1"
+  network_acl_no = ncloud_vpc.vpc.default_network_acl_no
+  subnet_type    = "PUBLIC"
+  usage_type     = "NATGW"
+}
+
 resource "ncloud_nat_gateway" "nat_gateway" {
   vpc_no      = ncloud_vpc.vpc.vpc_no
+  subnet_no   = ncloud_subnet.subnet.id
   zone        = "KR-1"
   name        = "%[1]s"
   description = "description"
diff --git a/ncloud/resource_ncloud_nat_gateway_test.go b/ncloud/resource_ncloud_nat_gateway_test.go
index c1ebc58d7..90fe50b3a 100644
--- a/ncloud/resource_ncloud_nat_gateway_test.go
+++ b/ncloud/resource_ncloud_nat_gateway_test.go
@@ -16,6 +16,7 @@ func TestAccResourceNcloudNatGateway_basic(t *testing.T) {
 	var natGateway vpc.NatGatewayInstance
 	name := fmt.Sprintf("test-nat-gateway-%s", acctest.RandString(5))
 	resourceName := "ncloud_nat_gateway.nat_gateway"
+	resourcePrivate := "ncloud_nat_gateway.nat_gateway_private"
 
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
@@ -29,6 +30,10 @@ func TestAccResourceNcloudNatGateway_basic(t *testing.T) {
 					resource.TestMatchResourceAttr(resourceName, "vpc_no", regexp.MustCompile(`^\d+$`)),
 					resource.TestMatchResourceAttr(resourceName, "nat_gateway_no", regexp.MustCompile(`^\d+$`)),
 					resource.TestCheckResourceAttr(resourceName, "name", name),
+
+					testAccCheckNatGatewayExists(resourcePrivate, &natGateway),
+					resource.TestMatchResourceAttr(resourcePrivate, "vpc_no", regexp.MustCompile(`^\d+$`)),
+					resource.TestMatchResourceAttr(resourcePrivate, "nat_gateway_no", regexp.MustCompile(`^\d+$`)),
 				),
 			},
 			{
@@ -36,6 +41,11 @@ func TestAccResourceNcloudNatGateway_basic(t *testing.T) {
 				ImportState:       true,
 				ImportStateVerify: true,
 			},
+			{
+				ResourceName:      resourcePrivate,
+				ImportState:       true,
+				ImportStateVerify: true,
+			},
 		},
 	})
 }
@@ -155,12 +165,38 @@ resource "ncloud_vpc" "vpc" {
 	ipv4_cidr_block = "10.3.0.0/16"
 }
 
+resource "ncloud_subnet" "subnet_public" {
+  vpc_no         = ncloud_vpc.vpc.id
+  subnet         = cidrsubnet(ncloud_vpc.vpc.ipv4_cidr_block, 8, 1)
+  zone           = "KR-1"
+  network_acl_no = ncloud_vpc.vpc.default_network_acl_no
+  subnet_type    = "PUBLIC"
+  usage_type     = "NATGW"
+}
+
+resource "ncloud_subnet" "subnet_private" {
+  vpc_no         = ncloud_vpc.vpc.id
+  subnet         = cidrsubnet(ncloud_vpc.vpc.ipv4_cidr_block, 8, 2)
+  zone           = "KR-1"
+  network_acl_no = ncloud_vpc.vpc.default_network_acl_no
+  subnet_type    = "PRIVATE"
+  usage_type     = "NATGW"
+}
+
 resource "ncloud_nat_gateway" "nat_gateway" {
   vpc_no      = ncloud_vpc.vpc.vpc_no
+  subnet_no   = ncloud_subnet.subnet_public.id
   zone        = "KR-1"
   name        = "%[1]s"
   description = "%[2]s"
 }
+
+resource "ncloud_nat_gateway" "nat_gateway_private" {
+  vpc_no      = ncloud_vpc.vpc.vpc_no
+  subnet_no   = ncloud_subnet.subnet_private.id
+  zone        = "KR-1"
+  description = "%[2]s"
+}
 `, name, description)
 }
 
diff --git a/ncloud/resource_ncloud_route_test.go b/ncloud/resource_ncloud_route_test.go
index 6964e6b8f..c34feaccd 100644
--- a/ncloud/resource_ncloud_route_test.go
+++ b/ncloud/resource_ncloud_route_test.go
@@ -74,8 +74,18 @@ resource "ncloud_route_table" "route_table" {
 	supported_subnet_type = "PRIVATE"
 }
 
+resource "ncloud_subnet" "subnet" {
+  vpc_no         = ncloud_vpc.vpc.id
+  subnet         = cidrsubnet(ncloud_vpc.vpc.ipv4_cidr_block, 8, 1)
+  zone           = "KR-1"
+  network_acl_no = ncloud_vpc.vpc.default_network_acl_no
+  subnet_type    = "PUBLIC"
+  usage_type     = "NATGW"
+}
+
 resource "ncloud_nat_gateway" "nat_gateway" {
   vpc_no      = ncloud_vpc.vpc.id
+  subnet_no   = ncloud_subnet.subnet.id
   zone        = "KR-1"
 }