Tuguegarao, officially the City of Tuguegarao, is a 3rd class component city and capital of the province of Cagayan, Philippines. According to the 2020 census, it has a population of 166,334 people, making it the most populous city in Cagayan Valley and Northeastern Luzon.

Cagayan, officially the Province of Cagayan, is a province in the Philippines located in the Cagayan Valley region, covering the northeastern tip of Luzon. Its capital is the city of Tuguegarao. It is about 431 kilometres (268 mi) northwest of Manila, and includes the Babuyan Islands to the north. The province borders Ilocos Norte and Apayao to the west, and Kalinga and Isabela to the south.