Main country
Ecuador
12,657 people
93.6% of total
Surname
Grefa
13,520 worldwide · 12 countries
13,520
Total population
12
Countries
1 in every 599,112
Frequency
Rarity
Moderate
Dispersion
Regional
Top countries
1
Ecuador
12,657
93.6%
2
Peru
747
5.5%
3
Colombia
74
0.5%
4
Spain
28
0.2%
5
United States
7
0.1%
World distribution
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