Main country
Poland
122 people
91.7% of total
Surname
Bierza
133 worldwide · 4 countries
133
Total population
4
Countries
1 in every 60,902,256
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
Poland
122
91.7%
2
Czech Republic
6
4.5%
3
Australia
4
3%
4
France
1
0.8%
World distribution
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