From the Wikipedia page [1]
Ozolnieki Municipality (Latvian: Ozolnieku novads) is a municipality in Zemgale, Latvia. The municipality was formed in 2003 by merging Ozolnieki parish and Cena parish; the administrative centre being Ozolnieki. In 2009 municipality absorbed Sidrabene parish (in 2011 renamed to Salgale parish), too.