Luzon Island in the context of "List of islands in the Philippines"

Valenzuela (/ˌvælənzjuˈɛlə/, Tagalog pronunciation: [valensˈwela]; Latin American Spanish pronunciation: [balenˈswela] , Spanish pronunciation: [balenˈθwela] ), officially the City of Valenzuela (Filipino: Lungsod ng Valenzuela), is a highly urbanized city in the National Capital Region of the Philippines. According to the 2024 census, it has a population of 725,173 people.

Valenzuela ranks as the 6th most populous city in the National Capital Region and is the 11th most populous city in the Philippines. Located 14 kilometers (8.7 mi) north of the nation's capital, Manila , it is categorized as a highly urbanized, first-class city under the Republic Acts No. 7160 and 8526, which are based on categories of income classification and population. The landlocked city is located on the island of Luzon. It is bordered by the province of Bulacan to the north, the cities of Caloocan and Quezon City to the east, and Malabon to the southwest. Valenzuela also shares a border along the Tenejeros-Tullahan River with Malabon. The city has a total land area of 45.75 square kilometers (17.66 square miles). Its residents are composed of about 72% Tagalog people, followed by 5% Bicolanos, with a small percentage of foreign nationals.

The Polillo Islands is a group of about 27 islands in the Philippine Sea lying about 25 km (16 mi) to the east of the Philippine island of Luzon. It is separated from the mainland Luzon Island by the Polillo Strait and forms the northern side of Lamon Bay. The islands are part of the province of Quezon in the Calabarzon region of the Philippines. The combined land area of all the islands is about 875 square kilometers making Polillo islands even larger than the island city-state of Singapore.

The Cagayan River, also known as the Río Grande de Cagayán, is the longest river and the largest river by discharge volume of water in the Philippines. It has a total length of approximately 505 kilometres (314 mi) and a drainage basin covering 27,753 square kilometres (10,715 sq mi). It is located in the Cagayan Valley region in northeastern part of Luzon Island and traverses the provinces of Nueva Vizcaya, Quirino, Isabela and Cagayan; it also flows through the only Central Luzon province of Aurora.

The Mayon Volcano Natural Park is a protected area of the Philippines located in the Bicol Region (Region 5) on southeast Luzon Island, the largest island of the country. The Natural park covers an area of 5,775.7 hectares (14,272 acres), which includes its centerpiece Mayon Volcano, the most active volcano in the Philippines, and its adjacent surroundings. The volcano is also renowned for having an almost perfect cone. First protected as a National Park in 1938, it was reclassified as a Natural Park in the year 2000.