Onicha karamar hukuma ce a Jihar Ebonyi a Najeriya. Tana da yanki na 476 km2 kuma tana da yawan jama'a 236,828 bisa ga ƙidayar 2006. Lambar gidan waya na yankin ita ce 491.[1] Hedkwatarta tana cikin garin Isu. Sai dai kuma akwai garuruwa da kauyuka da dama a yankin Kudu maso Gabashin Najeriyar da aka fi sani da "ISU". Amma kungiyar ISU a jihar Ebonyi, wadda asalinta ta kunshi Agbabor, Amanator, Isu Achara, Mgbaneze, Ezekporoke, Anike, Mgbana Ukwu, Obeagu, Umuniko da dai sauransu sun kasance a karamar hukumar Ohaozara har zuwa lokacin da aka kafa karamar hukumar Onicha. Mgbaneze gari ne mai iyaka tsakanin jihohin Ebonyi da Enugu kuma al’umma ce mai masaukin baki zuwa sabuwar Kwalejin Ilimi ta Tarayya (Technical). Onicha Igbo-Eze birni ne, da ke cikin ƙaramar hukumar Onicha, daga nan ne aka samo sunan majalisar yankin. Sauran manyan garuruwan karamar hukumar bayan hedikwatar Isu da Onicha Igbo-Eze sune Oshiri, Ukawu da Aba-Omege. Duk da sunayensu na asali iri daya ne, bai kamata Onicha ya rude da babban birnin Onitsha da ke yammacinsa ba, tambayar ita ce wace shekara aka kafa karamar hukumar onicha.