| Subdivision category | 3166-2 code | Subdivision name |
|---|---|---|
| province | DO-02 | Azua |
| province | DO-03 | Baoruco |
| province | DO-04 | Barahona |
| region | DO-33 | Cibao Nordeste |
| region | DO-34 | Cibao Noroeste |
| region | DO-35 | Cibao Norte |
| region | DO-36 | Cibao Sur |
| province | DO-05 | Dajabón |
| district | DO-01 | Distrito Nacional (Santo Domingo) |
| province | DO-06 | Duarte |
| province | DO-08 | El Seibo |
| region | DO-37 | El Valle |
| province | DO-07 | Elías Piña |
| region | DO-38 | Enriquillo |
| province | DO-09 | Espaillat |
| province | DO-30 | Hato Mayor |
| province | DO-19 | Hermanas Mirabal |
| region | DO-39 | Higuamo |
| province | DO-10 | Independencia |
| province | DO-11 | La Altagracia |
| province | DO-12 | La Romana |
| province | DO-13 | La Vega |
| province | DO-14 | María Trinidad Sánchez |
| province | DO-28 | Monseñor Nouel |
| province | DO-15 | Monte Cristi |
| province | DO-29 | Monte Plata |
| region | DO-40 | Ozama |
| province | DO-16 | Pedernales |
| province | DO-17 | Peravia |
| province | DO-18 | Puerto Plata |
| province | DO-20 | Samaná |
| province | DO-21 | San Cristóbal |
| province | DO-31 | San José de Ocoa |
| province | DO-22 | San Juan |
| province | DO-23 | San Pedro de Macorís |
| province | DO-25 | Santiago |
| province | DO-26 | Santiago Rodríguez |
| province | DO-32 | Santo Domingo |
| province | DO-24 | Sánchez Ramírez |
| region | DO-41 | Valdesia |
| province | DO-27 | Valverde |
| region | DO-42 | Yuma |