The principal stupa, Phra Borommathat Chedi, is a bell-shaped stupa built in the early-13th century.
The stupa is believed to contain the relics of Gautama Buddha, which marks it as one of the most important sites of Thervada Buddhism.
The temple complex is built in a rectangular plan over 5.14 hectares and is enclosed by brick walls.
There are four gates for access to the temple.
The temple is divided into two zones similar to traditional Buddhist temples: the Buddha-avasa, the sacred area for religious activities and the Sangha-avasa, the residential area for the monks.

There are 22 sculpted standing elephants, covered in stucco surrounding the base of the stupa.
The base is square with a low brick wall, for providing space for clockwise ambulation around the stupa by believers.
There are four bell-shaped stupas surrounding the main stupa.
The main stupa has an umbrella like spire formed with 52 rings, which is separated from the bell-shaped stupa by a row of walking Buddha images in relief.
The 10.89-metre-high (35.7 ft) spire is covered with gold leaf weighing around 600 kilograms and studded with precious stones.

The principal stupa stands in a cloister covered with coloured tiles.
It is surrounded by a gallery lined with numerous Buddha images, the oldest being a Sukhothai-style image of Buddha dating from the 13th-14th century CE.
There are also 158 minor chedis (a Thai word for 'stupa') between the main stupa and cloister, housing ashes and bones of Buddhist devotees.
The staircase leading to the stupa is guarded by demon giants in the form of yaks.
The chapels (Wihan Khian and Wihan Phra Ma) have two stucco reliefs depicting scenes from the life of Buddha on its inner walls.
There is a small cloister enclosing the Bodhi tree, outside which is the main assembly hall (Ubosot) called Wihan Luang.
The assembly has columns leaning inwards in the Ayyuthaya-style.
It was built between the 15th and 16th centuries CE and has a richly decorated ceiling.

There is also a chapel dedicated to Buddha's disciple Kaccayana.
The temple complex also has a museum called Wihan Kien containing historical objects, including images of Buddha, auspicious objects and offerings.
North of the ubosot is a mondop with a two-tiered roof, containing a Buddha footprint shrine.
There are also two bronze statues depicting Tambralingan princes Jatukham and Ramanthep, which according to scholars also represent Hindu gods Kartikeya and Vishnu.
The principal stupa, Phra Borommathat Chedi, is a bell-shaped stupa built in the early-13th century. The stupa is believed to contain the relics of Gautama Buddha, which marks it as one of the most important sites of Thervada Buddhism. The temple complex is built in a rectangular plan over 5.14 hectares and is enclosed by brick walls. There are four gates for access to the temple. The temple is divided into two zones similar to traditional Buddhist temples: the Buddha-avasa, the sacred area for religious activities and the Sangha-avasa, the residential area for the monks.
There are 22 sculpted standing elephants, covered in stucco surrounding the base of the stupa. The base is square with a low brick wall, for providing space for clockwise ambulation around the stupa by believers. There are four bell-shaped stupas surrounding the main stupa. The main stupa has an umbrella like spire formed with 52 rings, which is separated from the bell-shaped stupa by a row of walking Buddha images in relief. The 10.89-metre-high (35.7 ft) spire is covered with gold leaf weighing around 600 kilograms and studded with precious stones.
The principal stupa stands in a cloister covered with coloured tiles. It is surrounded by a gallery lined with numerous Buddha images, the oldest being a Sukhothai-style image of Buddha dating from the 13th-14th century CE. There are also 158 minor chedis (a Thai word for 'stupa') between the main stupa and cloister, housing ashes and bones of Buddhist devotees. The staircase leading to the stupa is guarded by demon giants in the form of yaks. The chapels (Wihan Khian and Wihan Phra Ma) have two stucco reliefs depicting scenes from the life of Buddha on its inner walls. There is a small cloister enclosing the Bodhi tree, outside which is the main assembly hall (Ubosot) called Wihan Luang. The assembly has columns leaning inwards in the Ayyuthaya-style. It was built between the 15th and 16th centuries CE and has a richly decorated ceiling.
There is also a chapel dedicated to Buddha's disciple Kaccayana. The temple complex also has a museum called Wihan Kien containing historical objects, including images of Buddha, auspicious objects and offerings. North of the ubosot is a mondop with a two-tiered roof, containing a Buddha footprint shrine. There are also two bronze statues depicting Tambralingan princes Jatukham and Ramanthep, which according to scholars also represent Hindu gods Kartikeya and Vishnu.
Wat Phra Mahathat