To the northeast it borders Xaignabouli in Laos.The Phi Pan Nam Range runs across the province from north to south.

In the 13th century it gained enough importance to be an equal partner with King Mangrai of Lan Na and the Sukhothai kingdom.

As of 26 November 2019 there are:[8] one Phayao Provincial Administration Organisation (ongkan borihan suan changwat) and 35 municipal (thesaban) areas in the province.

The non-municipal areas are administered by 36 Subdistrict Administrative Organisations - SAO (ongkan borihan suan tambon).

[9] The Pho Khun Ngam Mueang Memorial (อนุสาวรีย์พ่อขุนงำเมือง) commemorates a former king of Phayao, or Phu Kam Yao, who was in power some 700 years ago.

The indigenous museum deals with the history and ancient relics of Phayao, including native culture and traditions and creativity.

[citation needed] Wat Phra That Chomthong (วัดพระธาตุจอมทอง) Surrounded by an arboretum, the temple offers a panoramic view of the town and the lake.

Wat Analyo (วัดอนาลโย) Covering an extensive area, cool and shady under leafy canopies of large trees it features buildings and sculptures of religion-based characters by contemporary craftsmen of great skill.

Namtok Phu Sang (น้ำตกภูซาง) It is fed by a hot spring on the mountain which flows into the brook before cascading over the falls.

It is a merit making ceremony dedicated to the civilians, policemen, and soldiers, who died in their fighting with communist insurgents in 1980-early 1981 (2523-early 2524 B.E.).

Winter and Red Cross Fair (งานฤดูหนาวและงานกาชาด) is held at the end of December until the beginning of January every year at the ground near the Phayao Bus Terminal.

Cassie Flower Blooming Day (งานวันดอกคำใต้บาน) takes place on 14 February every year at the ground in front of the Dok Khamtai District Office.

Also, there will be a cotton spinning demonstration, dessert making, Lue singing, Choeng or martial art dance, and Makon game.

In the event, there are parades, light and sound presentations, a procession inviting the spirits of Wiang Lo's past kings, khantok dinner at night, as well as cultural performances.

Sky Rocket Festival (งานทำบุญบั้งไฟ) is held in June every year at Tambon Ang Thong, Amphoe Chiang Kham.

Hilltribe Traditional Festival (งานประเพณีชาวเขา) is held in December every year at Tambon Rom Yen, Amphoe Chiang Kham.