text:  Intramuros is the historic center of Manila . Originally , it was considered to be Manila itself at the time when the Philippines was under the Spanish Empire colonial rule . Owing to its history and cultural value , Intramuros and Rizal Park are designated as flagship destination to become a tourism enterprise zone in the Tourism Act of 2009 . Intramuros is managed by the Intramuros Administration ( IA ) . 
  