Tabuk is a city and the capital of the province of Kalinga in the Philippines. It borders with the town of Pinukpuk in the north and the town of Rizal in the northeast. On its westernmost section it shares border with the towns of Pasil and Lubuagan. On the southwest it borders with the town of Tanudan. Tabuk City is a border city of Kalinga with the provinces of Isabela and Mountain Province. In the east, it is bordered by the town of Quezon, Isabela which is about 20 kilometers from the city center and the town of Paracelis, Mountain Province on the south.

According to the latest census made in 2007, it has a population of 87,912 people.

The former municipal district of Tabuk was transformed into a regular municipality by Republic Act No. 533, approved June 16, 1950.

Tabuk became the Cordillera’s second city after Baguio on June 23, 2007, when 17,060 voters ratified Republic Act No. 9404, An Act Converting the Municipality of Tabuk into a Component City of the Province of Kalinga to be Known as the City of Tabuk. In November 2008, the full bench of the Supreme Court of the Philippines declared Republic Act 9404 unconstitutional, reverting Tabuk to the status of a municipality.

Kalinga (Tagalog pronunciation: [kɐˈliŋɐ]) is a landlocked province of the Philippines in the Cordillera Administrative Region in Luzon. Its capital is Tabuk and borders Mountain Province to the south, Abra to the west, Isabela to the east, Cagayan to the northeast, and Apayao to the north. Prior to 1995, Kalinga and Apayao used to be a single province named Kalinga-Apayao, until they were split into two to better service the needs of individual native tribes in the provinces.

Kalinga is subdivided into 1 city and 7 municipalities. Tabuk was proclaimed a component city in 2007, but in November 2008 the Supreme Court of the Philippines ruled that its cityhood was unconstitutional. However, Tabuk had its city status reinstated by the Supreme Court on December 22, 2009.

The topography of Kalinga province is rugged and sloping with mountain peaks ranging from 1,500 to 2,500 metres (4,900 to 8,200 ft) in elevation. The province’s geographic feature on the western portion is characterized by sharp crested interlinking peaks of steep slopes, isolated flatlands, plateaus and valleys. The eastern portion is generally rolling and gradually sloping foothills.