In Croatia, Seleznev families are Russians (from the Island of Krk ).
Prevalence
Only a few people with faimily name Seleznev live in Croatia today, in one household only. They are located in only one small Croatian place, in Klimno on the Island of Krk (<5).
Outside Croatia
Family name Seleznev (including: Seleznew , Selezneev ) is present in 34 countries worldwide.