Phú Thọ is a province in northern Vietnam. Its capital is Việt Trì, which is 80 kilometres from Hanoi and 50 kilometres from Nội Bài International Airport. The province covers an area of 3,534.56 km2 and, as of 2023, it had a population of 1,530,800. The history of Phú Thọ is linked to the 18 dynasties of Hùng kings who were credited with building the nation of Văn Lang. Because of its strategic location, the province is known as the "West Gate of Hanoi".