SegersängSegersäng is a locality situated in Nynäshamn Municipality, Stockholm County, Sweden with 608 inhabitants in 2010.Stockholms LokaltrafikAs a municipality in Stockholm County it has a train station for commuter trains of Storstockholms Lokaltrafik connecting line 42/43 all the way to Nynäshamn, in addition it connects from Hemfosa.