| Settlement Type: | District of Casablanca |
| Pushmap: | Morocco Greater Casablanca |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Greater Casablanca |
| Pushpin Map Size: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Morocco |
| Subdivision Type1: | Region |
| Subdivision Name1: | Casablanca-Settat |
| Area Total Km2: | 17.9 |
| Population As Of: | 2004 |
| Population Total: | 332682 |
| Timezone: | WET |
| Utc Offset: | +0 |
| Timezone Dst: | WEST |
| Utc Offset Dst: | +1 |
| Coordinates: | 33.575°N -7.6228°W |
Al Fida – Mers Sultan (Arabic: الفداء - مرس السلطان) is a district of Casablanca, in the Casablanca-Settat region of Morocco. The district covers an area of 17.9 square kilometres (6.9 square miles) and as of 2004 had 332,682 inhabitants.[1]
The district is divided into two arrondissements and one municipality: