Grobelno is a settlement in eastern Slovenia. Grobelno straddles the border between the Municipality of Šmarje pri Jelšah and the Municipality of Šentjur. As of January 2020, 58% of the population of Grobelno lives in Šmarje pri Jelšah, with 42% in Šentjur. The entire settlement, and both municipalities, are included in the Savinja Statistical Region, which is in the Slovenian portion of the historical Duchy of Styria.