Strängnäs is a municipality in central Sweden, in the county of Södermanland at Lake Mälaren. The municipality covers an area of 735.9 km². Of the total population of 29610, 14680 are male, and 14930 are female. The population density of the community is 40 inhabitants per km². An important landmark is the cathedral, Strängnäs domkyrka[?] built around 1250.
... derived from misinterpretation of a Manchu name "sahaliyan ula angga hada" (peak of the mouth of Amur River). Sahaliyan means black in Manchu and refers to Amur River ...