The national territory of the Philippines according to the 1987 Constitution comprises:
1) The Philippine archipelago including all islands and waters within;
2) Other territories over which the Philippines has sovereignty or jurisdiction; and
3) Terrestrial, fluvial and aerial domains, including the territorial sea, seabed, subsoil, insular shelves, and other submarine areas.
The document further discusses the Philippines' claims over the territories of Sabah and Spratly Islands based on historical rights. It also outlines the boundaries of the country's territorial sea, contiguous zone, and exclusive economic zone under international law.