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| ISO-3166-2 | Fips | Name of Subdivision | Capital | Population | area in km² | |
|---|---|---|---|---|---|---|
| 1 | AM | 01 | Amazonas | Chachapoyas | 40,815.8 | |
| 2 | AN | 02 | Ancash | Huaraz | 36,201.2 | |
| 3 | AP | 03 | Apurimac | Abancay | 20,888.3 | |
| 4 | AR | 04 | Arequipa | Arequipa | 63,148.7 | |
| 5 | AY | 05 | Ayacucho | Ayacucho | 44,332.5 | |
| 6 | CJ | 06 | Cajamarca | Cajamarca | 34,257.3 | |
| 7 | CL | 07 | Callao | Callao | 839,271 | 178.4 |
| 8 | CU | 08 | Cusco | Cusco | 74,528.4 | |
| 9 | HO | 10 | Huanuco | Huánuco | 36,559.1 | |
| 10 | HV | 09 | Huancavelica | Huancavelica | 22,207.5 | |
| 11 | IC | 11 | Ica | Ica | 21,089.9 | |
| 12 | JU | 12 | Junin | Huancayo | 44,279.1 | |
| 13 | LD | 13 | La Libertad | Trujillo | 24,748.4 | |
| 14 | LI | 15 | Lima | Lima | 35,409.2 | |
| 15 | LO | 16 | Loreto | Iquitos | 374,428.9 | |
| 16 | LY | 14 | Lambayeque | Chiclayo | 13,702.8 | |
| 17 | MD | 17 | Madre de Dios | Puerto Maldonado | 83,707.2 | |
| 18 | MO | 18 | Moquegua | Moquegua | 15,221.3 | |
| 19 | PA | 19 | Pasco | Cerro de Pasco | 23,942.7 | |
| 20 | PI | 20 | Piura | Piura | 36,781.6 | |
| 21 | PU | 21 | Puno | Puno | 72,487.1 | |
| 22 | SM | 22 | San Martin | Moyobamba | 52,911.9 | |
| 23 | TA | 23 | Tacna | Tacna | 16,107.8 | |
| 24 | TU | 24 | Tumbes | Tumbes | 4,594.5 | |
| 25 | UC | 25 | Ucayali | Pucallpa | 104,382.6 |
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