# Data Dictionary - European Tourism - monthly nights spent at accommodation, cleaned Parquet

**Units:** vary by `series` - read the per-row `unit` column (overall: nights (count)).  Times are UTC.

| column | type | description |
|---|---|---|
| `zone` | str | Geo / country code (DE, FR, ES, …) |
| `ts` | timestamp (UTC) | Month |
| `series` | str | Nights spent - total / foreign visitors / domestic visitors |
| `value` | float | Nights spent that month (count) |
| `unit` | str | Unit |
| `res_min` | int | Native resolution (monthly) |

*Source: Eurostat (European Commission).*