| Battle of Nikiou | |||||||
|---|---|---|---|---|---|---|---|
| Part of the Muslim conquest of Egypt (Arab–Byzantine Wars) | |||||||
 Amr Mosque in Cairo commemorating Muslim victories in Egypt over the Byzantines | |||||||
| |||||||
| Belligerents | |||||||
| Rashidun Caliphate | Byzantine Empire | ||||||
| Commanders and leaders | |||||||
| Amr ibn al-A'as | Manuel | ||||||
| Strength | |||||||
| 15,000 | 20,000 | ||||||
| Casualties and losses | |||||||
| Heavy | Heavy | ||||||
The Battle of Nikiou took place between Arab Muslim troops under General Amr ibn al-A'as and the Byzantine Empire in Egypt in May of 646.[1]