Southwest-Friesland was formed in 2011 from the old municipalities of Bolsward, Nijefurd, Sneek, Wûnseradiel and Wymbritseradiel.

The towns located in Southwest-Friesland are Bolsward, Hindeloopen, IJlst, Sneek, Stavoren and Workum.

The villages located in Southwest-Friesland are Abbegea, Allingawier, Arum, Blauwhuis, Bozum, Breezanddijk, Britswerd, Burgwerd, Cornwerd, Dedgum, Easterein, Edens, Exmorra, Ferwoude, Folsgare, Gaast, Gaastmeer, Gauw, Goënga, Greonterp, Hartwerd, Heeg, Hemelum, Hennaard, Hichtum, Hidaard, Hieslum, Hommerts, Idsegahuizum, Idzega, Indijk, It Heidenskip, Itens, Jutrijp, Kimswerd, Kornwerderzand, Koudum, Koufurderrige, Kubaard, Laaxum, Loënga, Lollum, Longerhouw, Lutkewierum, Makkum, Molkwerum, Nijhuizum, Nijland, Offingawier, Oosterend, Oosterwierum, Oosthem, Oppenhuizen, Oudega, Parrega, Piaam, Pingjum, Poppenwier, Raerd, Rien, Roodhuis, Sandfirden, Scharl, Scharnegoutum, Schettens, Schraard, Sibrandabuorren, Smallebrugge, Tirns, Tjalhuizum, Tjerkwerd, Uitwellingerga, Waaxens, Warns, Westhem, Wieuwerd, Witmarsum, Wolsum, Wommels, Wons, Woudsend, Ypecolsga, Ysbrechtum and Zurich.

The hamlets located in Southwest-Friesland are Aaksens, Abbegaasterketting, Abbegaasterrige, Andelahuizen, Angterp, Annabuorren, Arkum, Atzeburen, Baarderbuorren, Baburen, Barnsterbuorren, Barsum, Bessens, Bittens, Bloemkamp, Bonjeterp, Bootland, Bovenburen, De Band, De Bieren, De Blokken, De Burd, De Hel, De Grits, De Kat, De Kliuw, De Nes, De Pôle, De Weeren, De Wieren, Dijksterburen, Doniaburen, Doniawier, Draaisterhuzen, Easthim, Eemswoude, Engwier, Exmorrazijl, Feytebuorren, Fiifhûs, Fiskersbuorren, Flansum, Galamadammen, Goëngamieden, Gooium, Grauwe Kat, Greate Wierrum, Grote Wiske, Harkezijl, Hayum, Hemert, Hiddum, Hidaardersyl, Hoekens, Hornsterburen, Houw, Idserdaburen, Ingwert, It Fliet, Jeth, Jonkershuizen, Jousterp, Jouswerd, Kampen, Klaeiterp, Kleine Wiske, Knossens, Kooihuizen, Koudehuizum, Kromwâl, Laad en Zaad, Lippenwâlde, Littenserbuorren, Lytse Gaastmar, Lytshuzen, Makkum, Boazum, Meilahuzen, Monsamabuorren, Nijbuorren, Nijekleaster, Nijezijl, Osingahuizen, Ottenburen, Pikesyl, Rea Skuorre, Remswerd, Rytseterp, Sandfirderrijp, Scharneburen, Sieswerd, Sjungadijk, Skrok, Sotterum, Spears, Spreeuwenstein, Spyk, Strand, Swaenwert, Swarte Beien, Trijehuzen, Tsjerkebuorren, Vierhuizen, Viersprong, Wolsumerketting, Wonneburen and Yndyk.

A member of the Dutch Labour Party (PvdA), she chairs the municipality's Board of Mayor and Aldermen.