[3] The municipality encompasses the eastern half of Lubang Island, as well as Ambil, Golo and some other minor islands, which are part of the Tagalog homeland.

Looc is part of the Lubang island group, which constitutes 7 islands which are geographically distinct from any landmasses, making the island group biologically unique - and endangered at the same time.

The islands are under consideration to be set as a UNESCO tentative site due to its geographic importance, biological diversity, and intact rainforests.

Each barangay consists of puroks and some have sitios.

Poverty Incidence of Looc Source: Philippine Statistics Authority[11][12][13][14][15][16][17][18]