San Isidor, Departamento Federal, Entre Ríos Province
Colonia San Isidro was officially founded 12 February 1923 by 78 Volga German families. The land area assigned for San Isidro was 10,800 hectars designated for agricultural use.
The church in San Isador is called San Isador Labrador.
The following Volga German families are known to have settled in San Isidro:
- Erk, Albert A. Gründung der Deutschrussenkolonie San Isidro (Entre Rios) und ihre Entwicklung im ersten Jarhe Buenos Aires: Mercur, 1924. (online)