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Family name Lapaj (Lapaj
, Лапай
) , worldwide, is quite a rare cognomen. The cognomen Lapaj is characteristic of Albania, where it is quite a rare surname, Ukraine, and Belarus. Not in comparison with a country's population, this name is the most popular in Eastern Europe, particularly Ukraine, Russia, and Poland. Also, Lapaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lapaj | Poland, France, Slovakia, Albania, Germany |
| Лапай | Belarus, Kazakhstan, Russia, Ukraine |