Olena is an unincorporated community in Stronghurst Township, Henderson County, Illinois, United States. Olena is located on County Route 6, north-northwest of Stronghurst.
History Olena was laid out on August 14, 1838, by Robert Kendall. It had, in the 19th century, a population of approximately 300 inhabitants.
References
Further reading History of Mercer and Henderson Counties