Surname of the person: SIERRA. By areas

Surname of the person: SIERRA By areas of the general territorial Plan of Catalonia. 2024
		As first surname		As second surname
	Position	frequency	‰	frequency	‰
Metropolità	116	4,080	0.81	4,176	0.82
Comarques Gironines	177	467	0.58	473	0.59
Camp de Tarragona	208	311	0.56	309	0.56
Terres de l'Ebre	483	53	0.28	63	0.34
Ponent	406	117	0.31	149	0.40
Comarques Centrals	288	210	0.49	173	0.40
Alt Pirineu i Aran	434	28	0.37	26	0.34
Penedès	186	336	0.65	323	0.62
Total	134	5,602	0.70	5,692	0.71
Source: Idescat, based on the INE Annual Population Census.

Disaggregation criteria