The town of Phek is the district headquarter, located 120 kilometres from Kohima, the capital of Nagaland and the largest urban centre is Pfütsero.

[4] The district has 14 subdivisions, namely, Pfütsero, Phek Sadar, Chetheba, Chozuba, Meluri, Chizami, Sekrüzu, Razieba, Sakraba, Zuketsa, Phor, Khuza, Khezhakeno and Phokhungri.

[6] Phek District is a mountainous region rich in flora and fauna, with 70% of its land covered in evergreen forest.

The highest mountain is Zanibu, with the summit over 2,400 m (7,900 ft) above mean sea level (AMSL).

[7][8] The largest rivers of the district are the Tizu, Lanyi, Arachu, and the three most important lakes are the Shilloi, Chida and Dzüdü.

Winters are cold, in comparison to the nearby plains of Assam, with the temperature dropping to 0 °C in the coldest months of January and February.

[2] The district is split into 14 administrative circles, in which Additional Deputy Commissioner (ADC) headquarters are located in Pfütsero, Chozuba and Meluri.

In the 2019 Indian general election, Tokheho Yepthomi of the NDPP won by 16,000 votes over his rival K.L.

Agriculture is the main occupation with Terrace Rice Cultivation (TRC) as the most predominant throughout Phek district.

[17] Subhas Chandra Bose made Rüzazho the operational base of his Indian National Army (INA) during the World War II, when he liberated Mizoram and parts of Nagaland from the colonial British control with the help of Japanese forces.

"The house in which Netaji lived and the wooden cot on which he slept during his stay in Nagaland are preserved at Rüzazho Village.

"[18] The village and the operation base of Netaji Subhash is a pilgrimage and tourism site for Indian patriots and history buffs.