What is the common noun of Manila?

The common noun for "Manila" depends on what aspect of Manila you are referring to.

Here are some possibilities:

* City: If you are talking about Manila as a city, the common noun would be city.

* Capital: If you are talking about Manila as the capital of the Philippines, the common noun would be capital.

* Harbor: If you are talking about Manila as a harbor, the common noun would be harbor.

* Region: If you are talking about Manila as a region, the common noun could be region, metropolitan area, or province.

Without more context, it's impossible to determine the most accurate common noun for "Manila."