[5] In the Sukhothai era several city states (Mueang) subject to the king were in the area of the modern province.

The ruler of Phichai succeeded in driving back the Burmese and was awarded the title Phraya Phichai Dap Hak - the "Lord of Pichai with a Broken Sword", as he had broken one of his swords in fierce hand-to-hand combat with the enemy.

About 45 kilometers north of the city of Uttaradit is the Queen Sirikit Dam, which created a 250 km2 artificial lake.

The largest teak tree in the world is found at the Ton Sak Yai Park in the Luang Prabang Range.

The province is known for two varieties of durian which lack the usual, and to some people offensive, odour: Longlaplae and Linlaplae, both named after Laplae District.

[10] The langsat (ลางสาด) (Lansium parasiticum), for which Uttaradit is famous, and its thick-skinned sibling, longkong (ลองกอง), is a fruit that is similar in taste to the longan.

The main item of worship in the temple is a laterite block, which is believed to have been used by Buddha to seek enlightenment.

The largest teak tree in the world stands in Ton Sak Yai National Park (สักใหญ่).

Discovered in 1927, the giant teak tree is part of the 35 square kilometer park of mixed deciduous forest.

As of 26 November 2019 there are:[14] one Uttaradit Provincial Administration Organisation (ongkan borihan suan changwat) and 26 municipal (thesaban) areas in the province.

The non-municipal areas are administered by 53 Subdistrict Administrative Organisations - SAO (ongkan borihan suan tambon).