The Philippines is an archipelagic nation with no land borders. Its maritime boundaries are defined by surrounding bodies of water and neighboring countries' Exclusive Economic Zones (EEZs).
| Direction | Border | Details |
|---|---|---|
| North | Taiwan | Separated by the Bashi Channel (part of Luzon Strait). |
| South | Indonesia & Malaysia | Celebes Sea (Indonesia); Sulu Sea & land border on Borneo (Malaysia – Sabah). |
| East | Philippine Sea (Pacific Ocean) | Open ocean; Philippine Trench (deepest point ~10,540 m). |
| West | South China Sea | Contested waters; Spratly Islands (Kalayaan Group), Scarborough Shoal. |
Overlapping claims with China (Nine-Dash Line), Vietnam, Malaysia, Brunei, Taiwan in the South China Sea. 2016 PCA ruling (Philippines v. China) invalidated China's expansive claims; China rejects ruling.