HaÃÂejiya (also HaÃÂeja, previously Biram) is a Hausa town in eastern Jigawa State, northern Nigeria. Hadejia lies between latitude 12.4506N and longitude 10.0404E. It shares boundary with Kiri Kasama Local Government to the east, Mallam MaÃÂori Local Government from to the north, and Auyo Local Government to the west. The Hadejia Local Government consist of eleven (11) political wards, namely: Atafi, Dubantu, Gagulmari, Kasuwar ÃÂofa, Kasuwar Kuda, Matsaro, Majema, Rumfa, Sabon Garu, óankoli and Yayari. Inhabitants are dominantly Hausa, Fulani and Kanuri with some other groups such as Tiv, Yoruba, Igbo, Igala etc. The dominant occupation of the inhabitants is crop-farming and animal rearing which a considerable percentage, engaged in trading, fishing and services including civil service. The people of HaÃÂeja are largely Muslims, although some follow indigenous belief systems. The town lies to the north of the Hadejia River, and is upstream from the Hadejia-Nguru wetlands. Hadejia is an internationally important ecological and sensitive zone.
Hadejia was once known as Biram, and is referred to as one of the "seven true Hausa states" (Hausa Bakwai), because it was ruled by the descendants of the Hausa mythological figure Bayajidda and his second wife, Daurama. By 1810, during the Fulani War, the Hausa rulers of the Hausa Bakwai had all been overcome by the Fulani. HaÃÂeja had been transformed into an emirate two years earlier, in 1808. In 1906 HaÃÂeja resisted British occupation, under the then Emir (Muhammadu Mai-Shahada). HaÃÂejiya was absorbed into Jigawa State in 1991 from Kano State.
The HaÃÂeja is home to majorly 4 tertiary institutions, which are: Binyaminu Usman Polytechnic Hadejia, School of Nursing Hadejia, National Teachers Institutes Hadejia Study Centre.
Hadejia town, a market center for cotton, millet, sorghum, fish, and rice, is an export crop for peanuts. Locals maintain cattle, goats, guinea fowl, sheep, and donkeys. It is connected to the main highway and railway.
The climate has a blistering, cloudy dry season with temperatures ranging from 59ðF to 105ðF, as well as a hot, oppressive rainy season with predominantly cloudy skies.
Hadejia's air undergoes significant changes due to the presence of dust and particulate matter, which pose significant health risks due to their small size and potential inhalation into the lungs.