Iligan Bay is a bay

Headlands and bays

Headlands and bays are two related features of the coastal environment.- Geology and geography :Headlands and bays are often found on the same coastline. A bay is surrounded by land on three sides, whereas a headland is surrounded by water on three sides. Headlands are characterized by high,...

 in Mindanao

Mindanao

Mindanao is the second largest and easternmost island in the Philippines. It is also the name of one of the three island groups in the country, which consists of the island of Mindanao and smaller surrounding islands. The other two are Luzon and the Visayas. The island of Mindanao is called The...

 in the Philippines

Philippines

The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

. It is part of Bohol Sea

Bohol Sea

The Bohol Sea, also called the Mindanao Sea, is located between Visayas and Mindanao in the Philippines. It lies south of Bohol and Leyte and north of Mindanao...

 and cuts into the northern portion of the island of Mindanao. The provinces

Provinces of the Philippines

The Provinces of the Philippines are the primary political and administrative divisions of the Philippines. There are 80 provinces at present, further subdivided into component cities and municipalities. The National Capital Region, as well as independent cities, are autonomous from any provincial...

 along its coast are Misamis Occidental

Misamis Occidental

Misamis Occidental is a province of the Philippines located in the Northern Mindanao region. Its capital is Oroquieta City...

, Misamis Oriental

Misamis Oriental

Misamis Oriental is a province of the Philippines located in the Northern Mindanao region. Its capital and provincial center is Cagayan de Oro City...

, Zamboanga del Sur

Zamboanga del Sur

Zamboanga del Sur is a province of the Philippines located in the Zamboanga Peninsula region in Mindanao. Pagadian City is the capital...

, and Lanao del Norte

Lanao del Norte

Lanao del Norte is a province of the Philippines located in the Northern Mindanao region. Its capital is Tubod. The province borders Lanao del Sur to the southeast, Zamboanga del Sur to the west, Illana Bay to the southwest, Iligan Bay to the north, Iligan City to the northeast, and is separated...

. Iligan City

Iligan City

The City of Iligan is a highly urbanized industrial city north of the province of Lanao del Norte, Philippines, and the province's former capital. It is approximately 795 kilometers southeast of Manila...

 is the most important port on Iligan Bay. Other important cities are Ozamiz City

Ozamiz City

Ozamiz is a 2nd class city in the province of Misamis Occidental, Philippines. According to the 2007 census, it has a population of 123,137.- History :...

 and Oroquieta City

Oroquieta City

Oroquieta City is a 3rd class city in the province of Misamis Occidental, Philippines. It is the capital city of Misamis Occidental. According to the 2007 census, it has a population of 65,349 people.-Etymology:...

. A branch of Iligan Bay, Panguil Bay, forms a natural boundary between the Zamboanga Peninsula

Zamboanga Peninsula (geographical region)

Zamboanga Peninsula is long, semicircular peninsula located in northwestern Mindanao, the Philippines, extending southwesterly toward the Sulu Archipelago and Borneo. It has an area of roughly 5,600 square miles . The peninsula was connected to the main part of Mindanao through an isthmus situated...

and the rest of the island.