Surname of the person: OLLERO. By provinces

Surname of the person: OLLERO By provinces. 2024
		As first surname		As second surname
	Position	frequency	‰	frequency	‰
Barcelona	3,333	172	0.03	194	0.03
Girona	3,592	27	0.03	23	0.03
Lleida	7,532	9	0.02	..	..
Tarragona	4,242	20	0.02	19	0.02
Total	3,608	228	0.03	238	0.03
Source: Idescat, based on the INE Annual Population Census.

Disaggregation criteria