Panay Gulf is an extension of the Sulu Sea

Sulu Sea

The Sulu Sea is a body of water in the southwestern area of the Philippines, separated from the South China Sea in the northwest by Palawan and from the Celebes Sea in the southeast by the Sulu Archipelago. Borneo is found to the southwest and Visayas to the northeast.Sulu Sea contains a number of...

, reaching between the islands of Panay

Panay Island

Panay is an island in the Philippines located in the western part of the Visayas. Politically, it is divided into five provinces: Aklan, Antique, Capiz, and Iloilo, all in the Western Visayas Region. It is located southeast of the island of Mindoro and northwest of Negros, separated by the...

 and Negros 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...

. The gulf

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,...

 contains the island-province of Guimaras

Guimaras

Guimaras is an island province of the Philippines located in the Western Visayas region. Among the smallest provinces, its capital is Jordan. The island is located in the Panay Gulf, between the islands of Panay and Negros...

 and extends into the Santa Anna Bay between Panay and Guimaras and into Guimaras Strait, between Guimaras and Negros. Guimaras Strait connects Panay Gulf with the Visayan Sea

Visayan Sea

The Visayan Sea is a sea in the Philippines, surrounded by the islands of the Visayas, Eastern Visayas and Western Visayas located to the east and west, while the Central Visayas is located to the south...

.

The Port of Iloilo

Port of Iloilo

The Port of Iloilo, Iloilo, Philippines, is the port serving the general area of Iloilo and the premier port on Panay Island. The new port of iloilo is strategically located at a new site away from the older port facilities. Situated in the Southern coast of Panay Island, in the Panay Gulf, it has...

 is the busiest port on the gulf, which is a major route used by ships plying the areas between Iloilo City, Bacolod City

Bacolod City

The City of Bacolod , is a highly urbanized midsize Philippine city. It is the capital of the Negros Occidental province. Having a total of 499,497 inhabitants as of August 1, 2007, it is the most populous city in the Western Visayas Region. It is currently ranked as the 17th most populous city in...

, and Zamboanga

Zamboanga City

The City of Zamboanga : is a highly urbanized, independent and a chartered city located in Mindanao, Philippines....

further to the south.