Neighbouring provinces are (from north clockwise) Mae Hong Son, Chiang Mai, Lamphun, Lampang, Sukhothai, Kamphaeng Phet, Nakhon Sawan, Uthai Thani and Kanchanaburi.
By the 5th century the capital of this kingdom was moved south to Lavo (present day Lopburi province).
A city named Ban Tak was established by Jamadevi (พระนางจามเทวี), princess of the Lavo kingdom, around 663 CE.
It became part of the Sukhothai kingdom through battles led by Ramkhamhaeng the Great and formed the main fortress on the western front.
The city was moved further west and renamed Mueang Rahang when the Ayuthaya kingdom was lost to Burma during King Maha Thammaracha's reign.
As of 26 November 2019 there are:[19] one Tak Provincial Administration Organisation (ongkan borihan suan changwat) and 19 municipal (thesaban) areas in the province.
The non-municipal areas are administered by 49 Subdistrict Administrative Organisations - SAO (ongkan borihan suan tambon).
King Naresuan is shown pouring consecrated water on the ground, a symbolic act to declare independence.
The provincial slogan is, "A town of wonderful nature, huge Bhumiphol Dam, King Taksin The Great and beautiful forests".
The province of Tak produces rice, corn, vegetables, fruits, beef, tilapia, and other foods.
AH1 enters through the Myanmar-Thai border at Mae Sot District[23] AH2 passes through the province from north to south.