Lachi is one of two tehsils in the Kohat District of Khyber Pakhtunkhwa province in Pakistan, located south of the district capital Kohat. It numbers about 100,000 inhabitants, living in an area of 1,161 square kilometres (448 sq mi). The tehsil is subdivided in 9 union councils. About 40% of the working population is employed outside the tehsil. It is a rural area where the livelihood of the majority of households depends on remittances and subsistence farming.Education is provided through a number of private and government high schools, as well as a government degree college affiliated with Kohat University.
Lachi (Lachaee) is one of the largest Seni Khattak areas. Situated on the main road between Kohat and Teri. Everyone travelling South of Kohat (to Teri, Karak, Bannu, Lakki, Tank, Dera Ismail Khan, Waziristan) has to pass Lachi. Ruled by Akorkhel Khans of Khattaks, Lachi was like the heart of Senae-Khwarraam Tappa of the Teri State uptill 1956. Zakaria Khan was one of the most famous Akorkhel Khans of Lachi.
Teri One of oldest Khattak areas. Mentioned by Khushhal Khan Khattak in his prose. Also named Asadabad after its first Teri-based ruler: Khan Asad-ullah Khan Akorkhel in the first half of 18th century. Teri was Kohat's largest Tahsil from 1848 to 1956, under the Nawabs of Teri; covering the whole of the present Karak, Lachi and Gumbat. It had a total area of 1616 square miles. This area was under the rule of Akorkhel Khans since 17th century.
Akorkhels, also known as Khankhels, are the descendents of Malik Akor, who was the great grandfather of Khushal Khan Khattak. In Lachi now the Akorkhels are the family of Jan Khan Family son of Zakaria Khan.
Mohammad Usman Khan (DSP) Late, GM Khattak (Late), Khanzada Samdani Khan, Khanzada Yazdani Khan, Ghulam Ghos Gillani, Khanzada Shoaib Khan & Lt: General ObaidUllah Khan Khattak are the Akorkhels Khans of Lachi.