Surname of the person: OLLER. By counties

Surname of the person: OLLER By counties. 2025
		As first surname		As second surname
	Position	frequency	‰	frequency	‰
Alt Camp	189	37	0.78	34	0.72
Alt Empordà	488	40	0.27	37	0.25
Alt Penedès	764	23	0.20	21	0.18
Anoia	509	38	0.29	38	0.29
Bages	190	105	0.56	129	0.69
Baix Camp	627	41	0.20	50	0.24
Baix Ebre	1,574	6	0.07	6	0.07
Baix Empordà	177	93	0.64	73	0.50
Baix Llobregat	606	175	0.20	162	0.19
Baix Penedès	602	28	0.23	22	0.18
Barcelonès	644	449	0.19	401	0.17
Berguedà	475	11	0.26	17	0.41
Cerdanya	659	7	0.35	..	..
Conca de Barberà	338	7	0.34	14	0.67
Garraf	454	57	0.35	33	0.20
Garrotxa	442	25	0.39	20	0.32
Gironès	366	93	0.45	65	0.31
Maresme	412	153	0.32	135	0.28
Moianès	53	34	2.29	26	1.75
Osona	566	48	0.29	43	0.26
Pallars Jussà	807	..	..	4	0.29
Pla d'Urgell	2,503	4	0.10	..	..
Pla de l'Estany	608	11	0.33	7	0.21
Ripollès	257	18	0.69	14	0.54
Segrià	1,021	35	0.16	30	0.14
Selva	464	53	0.28	51	0.27
Tarragonès	833	43	0.15	43	0.15
Vallès Occidental	514	249	0.26	215	0.22
Vallès Oriental	363	150	0.35	148	0.34
Total	490	2,049	0.25	1,860	0.23
Source: Idescat, based on the INE Annual Population Census.
Note: Only shows counties with 4 or more people with the selected surname.

Disaggregation criteria