Orlu () is the second largest city after Owerri followed by Okigwe and &lt;a href="Ohaji/Egbema"&gt;Ohaji/Egbema&lt;/a&gt; in South East, Imo State, Nigeria with a population of 196,600. It has a long history and has played a critical role as the headquarters for the Organisation of African Unity (OAU) ran humanitarian relief agencies during the Nigeria-Biafra Civil War. The Nigerian headquarters of the British Cheshire Home is in the city. It is the second most developed city after Owerri in Imo state.