diff --git a/generated/gemeenten-afdelingen.svg b/generated/gemeenten-afdelingen.svg
index aa292e1..870c56a 100644
--- a/generated/gemeenten-afdelingen.svg
+++ b/generated/gemeenten-afdelingen.svg
@@ -476,7 +476,7 @@ Arnhem_Nijmegen" d="M462.4,431.4l0.2,0.4l1.1,0.2l-0.2,1.5h-1.1l-0.4,4.4l-0.9,1.6
 	l0.2-0.2l1.7,0.6l2.3,1.9l-1.1,1.1l-0.6-0.8l-1.1,1.5l-4.1,2.1v0.2l-2.5,0.4l-0.8,1.1h-2.8l-0.8,0.8l-0.6,1.9l-2.6-2.1l-0.6-0.8
 	l1.7-0.9v-0.6l-0.4-0.2l0.2-0.4l0.4,0.2v-1.1l-0.4,0.2l-0.2-0.6l-0.9-0.8l1.5-0.6l-0.2-0.6l0.6-0.9l1.5,0.2l0.6-0.6l0.8,0.9l2.6-0.9
 	l-0.2-2.6L324.5,341.9l1-1.7L324.5,341.9L324.5,341.9z"><title>Huizen (Noord-Holland)</title></path>
-<path id="GM0450" class="st0 Zaanstreek" d="M237.2,275.8v2l0.8-0.7h0.2l3,1.5l2.1,1.5l1.1-0.4l0.9,0.8l1.7,0.2l0.8,3.8H245v0.2l-0.5-0.2
+<path id="GM0450" class="st0 " d="M237.2,275.8v2l0.8-0.7h0.2l3,1.5l2.1,1.5l1.1-0.4l0.9,0.8l1.7,0.2l0.8,3.8H245v0.2l-0.5-0.2
 	l-0.4,0.4l-1.5-0.7l-0.4,0.2l-0.4,0.9l0.8,1.7l-0.4,0.8L239,291l-1.9,0.3l-1.3-0.5l-1.1-1l-0.4-0.7l0.6-1h0.1l0.2-0.9l-0.3-0.2
 	l-0.4,0.6l-0.6-0.2l-1.1,0.4l0.2-0.6l-0.4-0.2l-0.4-1.3v-1.3l1.1-2.7l-0.3-4l1.5-0.2l0.4-0.4v-0.4L237.2,275.8L237.2,275.8z"><title>Uitgeest (Noord-Holland)</title></path>
 <path id="GM0851" class="st0 " d="M166.2,522.2l0.8-0.6l0.4,0.2L166.2,522.2z M166.6,522.4l-0.2-0.2l0.4-0.2L166.6,522.4L166.6,522.4
@@ -792,7 +792,7 @@ Zuid_Limburg" d="M423.8,681.7l0.4,1.9l0.2,3.7l1.5-0.4l0.9,0.8l1.4-0.2l0.7,2.2l-0
 	l1.1,0.3l2.9,2.5l4-0.4l1.5,0.6l1.5,3.9l3.6,3.4l-1.5,2.2l-0.9-0.7l-0.8,1.1l-2.6-2.3l0.2-0.7l-0.6-0.4l-1.5,0.2l-1.5-0.4h-1.4
 	l-0.5-0.4l-1.7,0.2l-0.4,2.3l0.4,2.2l1.3,3.4l-0.9,2.1l-1.2,0.2l-0.5-0.4l-1.2-0.2l-0.3-0.3l-1.7,0.7l-0.8,1.5l-0.9,0.8l-6.2,1.3
 	l-6.9,3.4l-13.4,4.6l-0.5-0.9l-1.9-11.3l-1.5-3.4l-2.5-17.2l9,1.7l2.6,2.3l5-0.4l6.9-2.3l4.6-2.4L456.1,546.1L456.1,546.1z"><title>Venray (Limburg)</title></path>
-<path id="GM0439" class="st0 Zaanstreek" d="M281.2,284l1.5,0.7l0.9-0.9l0.6-1l1.3-0.1l2.7,1.5l-8.6,14.1l-2.7-0.4l-0.7-1.1v-2.1l-1-0.3
+<path id="GM0439" class="st0 " d="M281.2,284l1.5,0.7l0.9-0.9l0.6-1l1.3-0.1l2.7,1.5l-8.6,14.1l-2.7-0.4l-0.7-1.1v-2.1l-1-0.3
 	l0.2-0.6l-0.9-0.4l-0.4,0.6l-1.9-0.6V293l-1.5-0.3l0.4-0.8l0.6-1.9l-0.2-1.5l1.5-1.3v-0.4l2-0.2l1.4-1.1l0.3-3.6L281.2,284
 	L281.2,284z"><title>Purmerend (Noord-Holland)</title></path>
 <path id="GM0277" class="st0 Arnhem-Nijmegen
@@ -812,7 +812,7 @@ Arnhem_Nijmegen" d="M452.2,411.5l-0.5,0.4l-1.6-0.2l-1.8,0.2l3,7.6l-2.7,2.3l-0.2,
 	l-10-0.8l-1.5-4.8l-0.3-0.7l1.8-0.6l-0.7-2.3v-0.5l6.9-1.6l1.1-0.5l-0.4-0.4l0.2-0.8l-1.3,0.2v-0.2H432v-0.7l-0.9,0.2v-1h1.3v-0.5
 	H431l0.2-0.6h-1.5l-0.2-2.3l-3.2,0.8H425l0.1-0.4l1-3.2l-4.4,0.2l0,0l-0.2-0.5l0.3-0.7l-0.5-2.9l0.4-0.7v-2.3l0.9-1.7l-3.4-0.4
 	l-0.6-0.3l-0.5,0.2v-0.2l0.3-0.4l-0.3-0.2v-0.4l-1.7-0.2l-6.2-3.4L405.6,72.7z"><title>Leeuwarden (Fryslân)</title></path>
-<path id="GM0852" class="st0 Zaanstreek" d="M288.1,294.4l0.9-0.8l0.2-0.4l1.1,0.2l3.6-0.7l0.2,3.8l1.1,1.2l0.2,0.9l-1.1,0.4l-1.9-0.6l-2.1,1.4
+<path id="GM0852" class="st0 " d="M288.1,294.4l0.9-0.8l0.2-0.4l1.1,0.2l3.6-0.7l0.2,3.8l1.1,1.2l0.2,0.9l-1.1,0.4l-1.9-0.6l-2.1,1.4
 	v-0.4l-0.9-0.1l0.2,0.7l0.7,0.2H290l0.3,0.8l-0.7-0.8l0.9,1.5V301l0.4,0.1l-0.2,0.6l0.4,0.2l0.5-1.1l0.6-0.4l1,0.4l-0.8,1.5
 	l-0.4,0.2l-0.2,1.9l0.4,0.9l-0.4,0.8l0.4,0.9h1.3l0.2,0.2l1,0.4l0.5-0.6l1.7,0.8l1.5-0.2l0.2,0.5l0.6-0.5l0.6-3.2l-0.4-0.8l1.1-2.1
 	l0.2,0.6V300l0.4-0.7l-1.3-6l1.7,5.8h0.3l1.2,1.7l3.6-0.4l0.7,0.9l-0.4-0.2l-0.9,0.2l-1.7,1.2l-1.7,0.3l-1,1.2h-1.1l-0.7,0.4
@@ -2323,7 +2323,7 @@ Den_Haag" d="M148.1,410.8l0.2,1.1l2.1,4.2l-0.4,0.2l0.4,0.8l1.3-0.8l1.5-0.2l1.1-1
 	l0.5,0.4v0.9l2.3,4.1l7.6-1.9l0.4-3.7l6,0.8l0.7-0.2l1,0.2l-0.2-1l0.4-8.2l-0.6-4.2l0.4-1.1l0.3-0.6l1.4,0.7l1.1,0.4l0.2-0.2v-0.3
 	l0.9-1l0.6-1.7l0.9-0.7l1.5-0.8h1l0.9-0.4v-0.7l1-0.6l-2.5-2.3l0.6-3.8l3-4.6l2.1,0.1l-0.2-0.3l0.4,0.2l0.2-0.2v0.3h0.5l3.8-3.5
 	l0.4,0.7l-0.6,0.4L416.2,139.3L416.2,139.3z"><title>De Fryske Marren (Fryslân)</title></path>
-<path id="GM0385" class="st0 Zaanstreek" d="M287.4,259.4v1.7l0.4,0.5l-0.4,0.8h0.6l0.2,0.5H288h0.2l-0.6,1.2l1.3,2.8l-0.2,0.6l0.8,2.6
+<path id="GM0385" class="st0 " d="M287.4,259.4v1.7l0.4,0.5l-0.4,0.8h0.6l0.2,0.5H288h0.2l-0.6,1.2l1.3,2.8l-0.2,0.6l0.8,2.6
 	l-0.2,1.7l1.9,1.9l0.2,0.7l1.9,3.7v1.7l0.5,0.4l1.2,2.6l0.1,1.4l1,1.1l0.7-0.2l-0.5,0.6l0.5-0.4l-0.3,0.8l1.1,0.7l0.7,2.6l-0.7,1.2
 	l-0.6,1.9l-0.2-0.4l-0.5,0.6h0.5h-0.7l-0.4,0.7h-0.4l-0.5-0.6l-0.6,0.2h0.6l-0.2,0.6l-0.4,0.2l0.6,0.4l0.5-0.6l-0.3,0.6l-0.8-0.4
 	l-0.2,0.7V293l-3.6,0.8l-1.1-0.2l-1.1,1.1l-4.5-2.8l4.5-7.5l-2.7-1.5l-1.3,0.2l-0.6,1l-0.9,0.9l-4.1-2.1l-1.9-0.5l1-1.9l1.9-2.1
diff --git a/out/afdelingsgebieden.csv b/out/afdelingsgebieden.csv
index f2aafdd..d1eb83c 100644
--- a/out/afdelingsgebieden.csv
+++ b/out/afdelingsgebieden.csv
@@ -79,7 +79,7 @@ Gemeentecode,GemeentecodeGM,Gemeentenaam,Provinciecode,ProvinciecodePV,Provincie
 0225,GM0225,Druten,25,PV25,Gelderland,0,Arnhem-Nijmegen,"",""
 0226,GM0226,Duiven,25,PV25,Gelderland,0,Arnhem-Nijmegen,"",""
 1711,GM1711,Echt-Susteren,31,PV31,Limburg,0,"","",""
-0385,GM0385,Edam-Volendam,27,PV27,Noord-Holland,0,Zaanstreek,"",""
+0385,GM0385,Edam-Volendam,27,PV27,Noord-Holland,0,"","",""
 0228,GM0228,Ede,25,PV25,Gelderland,0,"","",""
 0317,GM0317,Eemnes,26,PV26,Utrecht,0,Amersfoort,"",""
 1979,GM1979,Eemsdelta,20,PV20,Groningen,0,Groningen,"",""
@@ -232,7 +232,7 @@ Gemeentecode,GemeentecodeGM,Gemeentenaam,Provinciecode,ProvinciecodePV,Provincie
 1894,GM1894,"Peel en Maas",31,PV31,Limburg,0,"","",""
 0765,GM0765,Pekela,20,PV20,Groningen,0,Groningen,"",""
 1926,GM1926,Pijnacker-Nootdorp,28,PV28,Zuid-Holland,0,Delft,"",""
-0439,GM0439,Purmerend,27,PV27,Noord-Holland,0,Zaanstreek,"",""
+0439,GM0439,Purmerend,27,PV27,Noord-Holland,0,"","",""
 0273,GM0273,Putten,25,PV25,Gelderland,0,"","",""
 0177,GM0177,Raalte,23,PV23,Overijssel,0,"","",""
 0703,GM0703,Reimerswaal,29,PV29,Zeeland,0,"","",""
@@ -286,7 +286,7 @@ Gemeentecode,GemeentecodeGM,Gemeentenaam,Provinciecode,ProvinciecodePV,Provincie
 1730,GM1730,Tynaarlo,22,PV22,Drenthe,0,"","",""
 0737,GM0737,Tytsjerksteradiel,21,PV21,"Fryslân",0,Friesland,"",""
 0856,GM0856,Uden,30,PV30,Noord-Brabant,0,"","",""
-0450,GM0450,Uitgeest,27,PV27,Noord-Holland,0,Zaanstreek,"",""
+0450,GM0450,Uitgeest,27,PV27,Noord-Holland,0,"","",""
 0451,GM0451,Uithoorn,27,PV27,Noord-Holland,0,Amsterdam,"",""
 0184,GM0184,Urk,24,PV24,Flevoland,0,Almere,"",""
 0344,GM0344,Utrecht,26,PV26,Utrecht,1,Utrecht,30,30
@@ -315,7 +315,7 @@ Gemeentecode,GemeentecodeGM,Gemeentenaam,Provinciecode,ProvinciecodePV,Provincie
 0627,GM0627,Waddinxveen,28,PV28,Zuid-Holland,0,"","",""
 0289,GM0289,Wageningen,25,PV25,Gelderland,0,"","",""
 0629,GM0629,Wassenaar,28,PV28,Zuid-Holland,0,"Den Haag","",""
-0852,GM0852,Waterland,27,PV27,Noord-Holland,0,Zaanstreek,"",""
+0852,GM0852,Waterland,27,PV27,Noord-Holland,0,"","",""
 0988,GM0988,Weert,31,PV31,Limburg,0,"","",""
 0457,GM0457,Weesp,27,PV27,Noord-Holland,0,Amsterdam,"",""
 1960,GM1960,"West Betuwe",25,PV25,Gelderland,0,"","",""
diff --git a/source/bij1-gebieden.csv b/source/bij1-gebieden.csv
index 1319ebf..cfca6ac 100644
--- a/source/bij1-gebieden.csv
+++ b/source/bij1-gebieden.csv
@@ -79,7 +79,7 @@ GM0303,Dronten,0,Almere,,,
 GM0225,Druten,0,Arnhem-Nijmegen,,,
 GM0226,Duiven,0,Arnhem-Nijmegen,,,
 GM1711,Echt-Susteren,0,,,,
-GM0385,Edam-Volendam,0,Zaanstreek,,,
+GM0385,Edam-Volendam,0,,,,
 GM0228,Ede,0,,,,
 GM0317,Eemnes,0,Amersfoort,,,
 GM1979,Eemsdelta,0,Groningen,,,
@@ -232,7 +232,7 @@ GM0590,Papendrecht,0,,,,
 GM1894,Arnhem,0,,,,
 GM0765,Pekela,0,Groningen,,,
 GM1926,Pijnacker-Nootdorp,0,Delft,,,
-GM0439,Purmerend,0,Zaanstreek,,,
+GM0439,Purmerend,0,,,,
 GM0273,Putten,0,,,,
 GM0177,Raalte,0,,,,
 GM0703,Reimerswaal,0,,,,
@@ -286,7 +286,7 @@ GM1700,Twenterand,0,,,,
 GM1730,Tynaarlo,0,,,,
 GM0737,Tytsjerksteradiel,0,Friesland,,,
 GM0856,Uden,0,,,,
-GM0450,Uitgeest,0,Zaanstreek,,,
+GM0450,Uitgeest,0,,,,
 GM0451,Uithoorn,0,Amsterdam,,,
 GM0184,Urk,0,Almere,,,
 GM0344,Utrecht,1,Utrecht,45,30,30
@@ -315,7 +315,7 @@ GM0867,Waalwijk,0,,,,
 GM0627,Waddinxveen,0,,,,
 GM0289,Wageningen,0,,,,
 GM0629,Wassenaar,0,Den Haag,,,
-GM0852,Waterland,0,Zaanstreek,,,
+GM0852,Waterland,0,,,,
 GM0988,Weert,0,,,,
 GM0457,Weesp,0,Amsterdam,,,
 GM1960,West Betuwe,0,,,,