Mjölby ( or ) is a city and the seat of Mjölby Municipality, Östergötland County, Sweden with 12,245 inhabitants in 2010. Mjölby is located by the rivulet Svartån. The name "Mjölby" is derived from Mölloby, which comes from or mölna, meaning "mill". Due to the rapids of Svartån and the fertile soils of the surrounding plains, Mjölby is a natural place for a mill. During the Dacke War in 1542–1543 Mjölby was the northernmost point reached by the rebels from Småland. Main attractions Skogsjöområdets Naturreservat (Nature reserve and camping) Mjölby Hembygdsförening Donationsmedel (Park and garden) Runestones of Högby (Historical landmark) Örbackens kalkkärr (National reserve) Sports The following sports clubs are located in Mjölby: Mjölby AI FF Mjölby HC Mjölby Södra IF Mjölby Turabdin FC Mjölby Allmänna Ryttarsällskap Mjölby Ridklubb Mjölby IBK (Black bears) Twinnings Hankasalmi, Finland References External links Municipal seats of Östergötland County Swedish municipal seats Populated places in Östergötland County Populated places in Mjölby Municipality