diff --git a/pkg/util/azure/classic_instance.go b/pkg/util/azure/classic_instance.go
index 388e9f3620..03f622e386 100644
--- a/pkg/util/azure/classic_instance.go
+++ b/pkg/util/azure/classic_instance.go
@@ -113,7 +113,8 @@ type SClassicInstance struct {
 
 func (self *SClassicInstance) GetMetadata() *jsonutils.JSONDict {
 	data := jsonutils.NewDict()
-	data.Add(jsonutils.NewString(self.Properties.HardwareProfile.Size), "price_key")
+	priceKey := fmt.Sprintf("%s::%s", self.Properties.HardwareProfile.Size, self.host.zone.region.Name)
+	data.Add(jsonutils.NewString(priceKey), "price_key")
 	if self.Properties.NetworkProfile.NetworkSecurityGroup != nil {
 		data.Add(jsonutils.NewString(self.Properties.NetworkProfile.NetworkSecurityGroup.ID), "secgroupId")
 	}
diff --git a/pkg/util/azure/instance.go b/pkg/util/azure/instance.go
index aff99f53ee..5da04a5f94 100644
--- a/pkg/util/azure/instance.go
+++ b/pkg/util/azure/instance.go
@@ -224,7 +224,8 @@ func (self *SInstance) GetMetadata() *jsonutils.JSONDict {
 		data.Add(jsonutils.NewString(loginKey), "login_key")
 	}
 
-	data.Add(jsonutils.NewString(self.Properties.HardwareProfile.VMSize), "price_key")
+	priceKey := fmt.Sprintf("%s::%s", self.Properties.HardwareProfile.VMSize, self.host.zone.region.Name)
+	data.Add(jsonutils.NewString(priceKey), "price_key")
 	if nics, err := self.getNics(); err == nil {
 		for _, nic := range nics {
 			if nic.Properties.NetworkSecurityGroup != nil {