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| Houldizy | |
|---|---|
| The church in Houldizy | |
| Coordinates: 49°48′40″N4°40′13″E / 49.8111°N 4.6703°E | |
| Country | France | 
| Region | Grand Est | 
| Department | Ardennes | 
| Arrondissement | Charleville-Mézières | 
| Canton | Charleville-Mézières-2 | 
| Intercommunality | CA Ardenne Métropole | 
| Government | |
| • Mayor (2020–2026) | Gérard Calvi [1] | 
| Area 1 | 4.62 km2 (1.78 sq mi) | 
| Population  (2022) [2]  | 404 | 
| • Density | 87/km2 (230/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code |  08230 /08090 | 
| Elevation | 220 m (720 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Houldizy (French pronunciation: [uldizi] ) is a commune in the Ardennes department in northern France.
| Year | Pop. | ±% | 
|---|---|---|
| 1962 | 171 | — | 
| 1968 | 193 | +12.9% | 
| 1975 | 245 | +26.9% | 
| 1982 | 279 | +13.9% | 
| 1990 | 328 | +17.6% | 
| 1999 | 331 | +0.9% | 
| 2008 | 343 | +3.6% |