There is one place named Sierkajärvi in Sweden.
All places in the world called "Sierkajärvi".
Näs (17)Boda (17)Berg (16)Sandviken (16)Berga (14)Lund (14)Haga (13)Torp (13)Bäck (13)Näset (13)Broby (12)Sandvik (12)Åsen (12)Norrby (11)Näsby (11)Kulla (11)Mo (11)Ön (10)Viken (10)Kullen (10)Heden (10)Backa (10)Åby (10)Strand (10)Hov (10)Råby (10)Holmen (10)Dalen (9)Sund (9)Vallby (9)