Quite rightly, it is recommended that your App Engine application's VPC connector be created in the same region as the application. This is a required condition as stated in this documentation[1]
[1]https://cloud.google.com/appengine/docs/standard/python3/connecting-vpc#connecting_to_your_vpc_network -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/e66cfc14-48aa-47f4-b8be-e4aaf3296560%40googlegroups.com.