| Description | Notes | |
|---|---|---|
| EN | Tverskaya Administrative Region | — |
| FR | Oblast de Tver | — |
| ES | Región administrativa de Tverskaya | — |
List 49 · Region – based on ISO 3166-2
RU-TVE — Tverskaya Administrative Region
<!-- ONIX snippet not yet curated for codelist 49 (value: RU-TVE) -->- Introduced in Issue 22