Philippines Metro Manila NCR is showing different cities

[Linguiniotta]

On https://demo.countrystatecity.in, with Metro Manila as States,

{
  "id": 1347,
  "name": "Metro Manila",
  "country_id": 174,
  "country_code": "PH",
  "country_name": "Philippines",
  "state_code": "NCR",
  "type": "province",
  "latitude": "14.60905370",
  "longitude": "121.02225650"
}

Metro Manila NCR is showing cities from Maguindanao del Sur, expecting it to be https://en.wikipedia.org/wiki/Metro_Manila#Administrative_divisions

First city in Metro Manila NCR

{
  "id": 143938,
  "name": "Datu Montawal",
  "state_id": 1347,
  "state_code": "MGS",
  "state_name": "Metro Manila",
  "country_id": 174,
  "country_code": "PH",
  "country_name": "Philippines",
  "latitude": "7.11373990",
  "longitude": "124.67516500",
  "wikiDataId": "Q212411"
}