[13] The urban core of Metro Clark is composed of the cities of Angeles, San Fernando and Mabalacat.

Magalang, Arayat, Mexico, Santo Tomas, Bacolor, Lubao, Porac of Pampanga; and Bamban and Capas of Tarlac all have been recognised as towns supporting the urban core of Metro Clark.

[3] The Metro Clark Advisory Board created in 1993 lists Angeles, Mabalacat, Porac, Capas and Bamban as members.

[4] As the economic center of Central Luzon, Metro Clark supports a diverse and robust economy anchored on transportation and storage, offshoring, and manufacturing.

Metro Clark is also a real estate hotspot, just behind Manila and Cebu, as it holds of 17% newly leased space nationwide in 2023.

[24] According to real estate search website Lamudi, Clark is a strong regional market, with an 800% increase in leads online between 2018 and 2019.

[26] It is considered ripe for luxury projects targeting affluent markets in Angeles and San Fernando; as well as industrial developments.

[27] From 2022 to 2026, professional services firm Colliers also projects the delivery of 150 condominium units annually, with San Fernando covering about 62% of the new supply during that period.

Angeles is a highly urbanized city, which means it is administratively independent of Pampanga, but is grouped with the province for representational purposes.

The University of the Philippines Diliman Extension Program in Pampanga (established 1979), is located inside Clark Freeport.

Once operational, the NSCR is expected to service as many as 800,000 passengers daily and cut travel time from Clark International Airport in Pampanga to Calamba, Laguna to less than two hours.

It serves routes going to Bataan, Tarlac, Zambales, and most destinations to the north, such as Baguio, Pangasinan and Nueva Ecija.