The North zone is found near the Sanluang gate in the North city wall just outside of the walled town. The zone contains about a dozen ancient monuments, the Sukhothai Historical Park information center and a number of excavated kilns, where the Sangkhalok ceramic wares were produced.
The Wat Phra Phai Luang is important temples of The North zone located near the Sanluang gate in the North city wall, just outside of the old walled town. The temple dates to the end of the 12th century or early 13th century before the founding of the Sukhothai Kingdom, which makes it one of the oldest monuments in Sukhothai. It is believed to have been founded during the reign of Angkor King Jayavarman VII, who built some of Angkor’s most impressive monuments including the Bayon temple. The Wat Phra Phai Luang was built by the Khmer when the Sukhothai area was an outpost of the Khmer empire. It was the center of town in the pre Sukhothai era and the most important temple of that time. The temple was dedicated to Vishnu. Later in the Sukhothai era it was converted into a Theravada Buddhist temple