| Aija | |
| Native Name Lang: | es |
| Settlement Type: | District |
| Mapsize: | frameless |
| Subdivision Type: | Country |
| Subdivision Name: |  Peru |
| Subdivision Type1: | Region |
| Subdivision Name1: | Ancash |
| Subdivision Type2: | Province |
| Subdivision Name2: | Aija |
| Parts Type: | Subdivisions |
| Parts Style: | para |
| Established Title: | Founded |
| Seat Type: | Capital |
| Seat: | Aija |
| Leader Title: | Mayor |
| Leader Name: | German Ignacio Hizo Requena (2007) |
| Unit Pref: | Metric |
| Area Total Km2: | 159.74 |
| Elevation M: | 3363 |
| Population Total: | 2017 |
| Population As Of: | 2017 |
| Population Density Km2: | auto |
| Timezone1: | PET |
| Utc Offset1: | -5 |
| Blank Name Sec1: | UBIGEO |
| Blank Info Sec1: | 020201 |
Aija District is one of 5 districts in Aija Province, Ancash Region, Peru. Its population was 2017 as of the 2017 census.[1]
The District of Aija is located on the western slopes of the Cordillera Negra. It borders on Recuay Province to the south and east, on Coris District, Huacllan District and Succha District to the west, and on La Merced District to the north.
Some of the highest mountains of the district are listed below:[2]