Eskilstuna (Swedish pronunciation: [ˈɛ̂sːkɪlsˌtʉːna]) is a city and the seat of Eskilstuna Municipality, Södermanland County, Sweden. The city of Eskilstuna had 67,359 inhabitants in 2015, with a total population of 100,092 inhabitants in Eskilstuna municipality (2014). Eskilstuna has a large Sweden Finn population. The town is located on the River Eskilstunaån, which connects Lake Hjälmaren and Lake Mälaren.