What is the largest city by area in Val-d'Oise?

Gonesse, at 20.3 km², ahead of Argenteuil (17.4 km²).

What is the smallest city by area in Val-d'Oise?

Enghien-les-Bains, at 1.7 km². 38 cities of Val-d'Oise are measured here.

Where does Gonesse stand in France?

497 of the 1,131 French cities measured on city area. The national ranking is on its own page.

Which cities lead in Val-d'Oise?

Gonesse (20.3 km²), Argenteuil (17.4 km²), L'Isle-Adam (15.7 km²), Cergy (14.6 km²), Saint-Ouen-l'Aumône (14 km²). The whole table is on this page.

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In Val-d'Oise · INSEE / geo.api.gouv.fr

The largest cities in Val-d'Oise by area

Gonesse is the largest city by area in Val-d'Oise, at 20.3 km², ahead of Argenteuil (17.4 km²) and L'Isle-Adam (15.7 km²). At the other end, Enghien-les-Bains is the smallest city by area, at 1.7 km².

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The 38 cities of Val-d'Oise ranked on city area
Rank	City	City area	Population
1	Gonesse	20.3 km²	27,707
2	Argenteuil	17.4 km²	106,130
3	L'Isle-Adam	15.7 km²	12,493
4	Cergy	14.6 km²	70,906
5	Saint-Ouen-l'Aumône	14 km²	25,578
6	Herblay-sur-Seine	12.6 km²	31,779
7	Osny	12.3 km²	17,954
8	Goussainville	11.4 km²	31,301
9	Louvres	11.4 km²	12,560
10	Taverny	10.4 km²	27,593
11	Pierrelaye	9 km²	10,130
12	Domont	8.5 km²	16,065
13	Sarcelles	8.4 km²	59,173
14	Cormeilles-en-Parisis	8.4 km²	27,292
15	Villiers-le-Bel	7.3 km²	30,053
16	Jouy-le-Moutier	7.3 km²	17,854
17	Pontoise	7.2 km²	31,970
18	Franconville	6.2 km²	37,754
19	Saint-Brice-sous-Forêt	6 km²	15,063
20	Beaumont-sur-Oise	5.6 km²	10,232
21	Garges-lès-Gonesse	5.5 km²	41,791
22	Montmorency	5.2 km²	21,763
23	Saint-Leu-la-Forêt	5.2 km²	16,138
24	Persan	5.2 km²	14,359
25	Sannois	4.8 km²	26,924
26	Éragny-sur-Oise	4.7 km²	18,436
27	Eaubonne	4.4 km²	26,211
28	Bezons	4.2 km²	36,434
29	Ermont	4.2 km²	29,489
30	Montigny-lès-Cormeilles	4.1 km²	22,457
31	Soisy-sous-Montmorency	4 km²	18,008
32	Deuil-la-Barre	3.8 km²	23,099
33	Vauréal	3.7 km²	16,079
34	Fosses	3.6 km²	10,570
35	Montmagny	2.9 km²	15,105
36	Arnouville	2.8 km²	15,023
37	Saint-Gratien	2.7 km²	21,336
38	Enghien-les-Bains	1.7 km²	11,432

Every city of Val-d'Oise →

The same ranking for the whole of France : The largest communes in France by area · The smallest French cities by area

The largest cities in by area, elsewhere

The other rankings of Val-d'Oise

Scope, method and sources

Scope: France, metropolitan and overseas, Corsica and the DROM included. This dataset holds every commune of 10,000 inhabitants or more, plus smaller communes famous enough to be household names, 1,131 in all. It is not the full list of 35,000 French communes, so a village can sit outside a ranking whose extreme it would otherwise hold.

Method and sources: populations are the INSEE legal populations, boundaries and coordinates come from the IGN commune registry, both served by geo.api.gouv.fr. Density is the population divided by the commune's area; distances are measured as the crow flies from the commune's centre. Data read on August 28, 2026.

4 questions about this ranking

What is the largest city by area in Val-d'Oise?: Gonesse, at 20.3 km², ahead of Argenteuil (17.4 km²).
What is the smallest city by area in Val-d'Oise?: Enghien-les-Bains, at 1.7 km². 38 cities of Val-d'Oise are measured here.
Where does Gonesse stand in France?: 497 of the 1,131 French cities measured on city area. The national ranking is on its own page.
Which cities lead in Val-d'Oise?: Gonesse (20.3 km²), Argenteuil (17.4 km²), L'Isle-Adam (15.7 km²), Cergy (14.6 km²), Saint-Ouen-l'Aumône (14 km²). The whole table is on this page.