Saint Boniface church, Leeuwarden

Arum is a village in the Súdwest-Fryslân municipality in the Dutch province of Friesland. It is about 5 km southeast of the city of Harlingen. The village itself has about 895 inhabitants. The surrounding countryside that belongs to Arum, including the hamlets of Baarderburen and Grauwe Kat, has a population of about 180 in January 2017.

Witmarsum (West Frisian: Wytmarsum) is a village in the northern Netherlands. It is located in Súdwest-Fryslân, Friesland. Witmarsum had a population of around 1,735 in January 2017. Witmarsum was birthplace of Menno Simons (1496–1561), the leader of what would become the Mennonites.

Achlum (Dutch pronunciation: [ˈɑx.lʏm]) is a village in the Waadhoeke municipality of Friesland, Netherlands. It is approximately 7 km southwest of the city of Franeker. Achlum had about 629 inhabitants in January 2014.

De Pankoekstermolen is a smock mill in Witmarsum, Friesland, Netherlands which was built in 1900. It has been restored to working order and is designated as being in reserve. It is listed as a Rijksmonument.

De Achlumer Molen is a smock mill in Achlum, Friesland, Netherlands which has been restored to working order. The mill is listed as a Rijksmonument, number 15821.

Pingjum (West Frisian: Penjum) is a village in the municipality of Súdwest-Fryslân in Friesland, in the northern Netherlands and lies 6.6 kilometres (4.1 mi) southwest of Harlingen. It had a population of around 585 in January 2017.

De Heimerter Mole is a hollow post mill in Burgwerd, Friesland, Netherlands which has been restored to working order. The mill is listed as a Rijksmonument, number 39348.

Meerswal is a smock mill in Lollum, Friesland, Netherlands which was built in 1903. The mill has been restored to working order and held is reserve for use in times of emergency. It is listed as a Rijksmonument, number 39364.

The Marneslenk (Dutch), or Marneslinke (Frisian), or Marne estuary, was a former estuary in western Friesland south of Harlingen, now reclaimed to be farmland. It formed around the year 300 AD, when rising sea levels also enlarged the Almere lake to the southwest, and formed the Middelzee to the east. The Marneslenk had its mouth on the Vlie and stretched southeasterly to the area of Tirns and then headed east to the Middelzee. Between 1100 and 1300 AD the watercourse was reclaimed and turned into fields by the construction of dykes. One such dyke is the Pingjumer Gulden Halsband. The Bedelaarsvaart (Bidlersfeart) and Harnzerfeartis are what remains of this watercourse nowadays.

Kimswerd (West Frisian: Kimswert) is a village in Súdwest-Fryslân municipality in the province of Friesland, the Netherlands. It had a population of around 565 in January 2017.

De Klaver (English: The Clover) or De Greate Klaver is a hollow post mill in Bolsward, Friesland, Netherlands which has been restored to working order. The mill is listed as a Rijksmonument, number 9860.

De Vlaren or Vlaren (Dutch pronunciation: [də ˈvlaː.rə(n)]; West Frisian: De Flearen or De Vlearen) is a hamlet in the Dutch municipality of Waadhoeke in the province of Friesland. It is located northwest of Lollum and southwest of Tzum, of which it is a part administratively. The residences are located on the Lollumerweg as a cluster of loose farms near the Baymerleane.