Noun
(Philippines, chiefly derogatory) Metro Manila and its surroundings, as generally described in the other provinces in the Philippines.
(Philippines, derogatory) The notion stating that the Philippine government largely imposes its power within Metro Manila and its surroundings, and ignoring the other regions.
Source: en.wiktionary.orgWe must follow the principle of subsidiarity -- devolving authority to the lowest level of government which can handle the problem. Regions and provinces, cities and municipalities are tired of waiting for Imperial Manila to act on their problems. Francis Escudero
'Imperial Manila' will still dominate under the federal charter proposed by President Rodrigo Duterte's consultative committee, a political analyst said Tuesday. Source: Internet