Asaba birni ce, a cikin jihar Delta, a cikin Najeriya. Tana nan daga yammacin gabar rafin Niger, ta karamar hukumar Oshimili South. Asaba na da yawan jama'a kimanin mutum 149,603 a kiadayar shekara ta 2006, da yawan mutane a birnin kimanin mutum dubu dari biyar. An san birnin Asaba da mu'ala iri-iri musamman a dalilin wuraren shakatawa da otel-otel dake garin, gidajen rawa, swuraren kallo na sinima, da wuraren shahulgula iri-iri. Akwai biki da ake gabatarwa duk shekara a garin wanda ake kira Delta Yaddah, ana tara mawaka a taron bikin. Ta'addanci yayi yawa a birnin saboda yawan jama'arta. Ta'addanci sun hada da yankan aljihu, kwace da sauransu. Akwai tsadar rayuwa a garin saboda mutane daga kasashen waje dake shigowa birnin. Gadar Onitsha itace iyaka tsakanin jihar Delta da Anambra, gadar ita ta raba Asaba da Onitsha. Kalmar Asaba ta samo asali ne daga kalmar Ahabam ma'ana "Na zaba da kyau" ko kuma "I have chosen well" da turanci, kalmar da aka hakayo daga Nnebisi, wanda shine asalin wanda ya samar da Asaba.