diff --git a/custom_components/waste_collection_schedule/waste_collection_schedule/source/karlsruhe_de.py b/custom_components/waste_collection_schedule/waste_collection_schedule/source/karlsruhe_de.py
index 91d6fa7fa..60e86b5d5 100644
--- a/custom_components/waste_collection_schedule/waste_collection_schedule/source/karlsruhe_de.py
+++ b/custom_components/waste_collection_schedule/waste_collection_schedule/source/karlsruhe_de.py
@@ -1,8 +1,9 @@
+import datetime
+import re
+
 import requests
-from waste_collection_schedule import Collection  # type: ignore[attr-defined]
 from bs4 import BeautifulSoup
-import re
-import datetime
+from waste_collection_schedule import Collection  # type: ignore[attr-defined]
 
 TITLE = "City of Karlsruhe"
 DESCRIPTION = "Source for City of Karlsruhe."
@@ -10,16 +11,20 @@
 TEST_CASES = {
     "Östliche Rheinbrückenstraße 1": {
         "street": "Östliche Rheinbrückenstraße",
-        "hnr": 1
+        "hnr": 1,
+    },
+    "Habichtweg 4": {"street": "Habichtweg", "hnr": "4"},
+    "Machstraße 5": {"street": "Machstraße", "hnr": "5"},
+    "Bernsteinstraße 10 ladeort 1": {
+        "street": "Bernsteinstraße",
+        "hnr": "10",
+        "ladeort": "1",
     },
-    "Habichtweg 4": {
-        "street": "Habichtweg",
-        "hnr": "4"
+    "Bernsteinstraße 10 ladeort 2": {
+        "street": "Bernsteinstraße",
+        "hnr": 10,
+        "ladeort": 2,
     },
-    "Machstraße 5": {
-        "street": "Machstraße",
-        "hnr": "5"
-    }
 }
 
 
@@ -28,7 +33,7 @@
     "Bioabfall": "mdi:leaf",
     "Papier": "mdi:package-variant",
     "Wertstoff": "mdi:recycle",
-    "Sperrmüllabholung": "mdi:wardrobe"
+    "Sperrmüllabholung": "mdi:wardrobe",
 }
 
 
@@ -36,14 +41,16 @@
 
 
 class Source:
-    def __init__(self, street: str, hnr: str | int):
+    def __init__(self, street: str, hnr: str | int, ladeort: int | None = None):
         self._street: str = street
         self._hnr: str | int = hnr
+        self._ladeort: int | None = ladeort
 
     def fetch(self):
         args = {
             "strasse_n": self._street,
             "hausnr": self._hnr,
+            "ladeort": self._ladeort,
             "anzeigen": "anzeigen",
         }
 
@@ -60,7 +67,7 @@ def fetch(self):
 
         for row in rows:
             bin_type = row.find("div", class_="col_3-2")
-            if bin_type == None:
+            if bin_type is None:
                 continue
 
             bin_type = bin_type.contents[0].text.split(",")[0].strip()
@@ -68,10 +75,10 @@ def fetch(self):
                 bin_type = bin_type[:-1].strip()
 
             pickup_col = row.find("div", class_="col_3-3")
-            if pickup_col == None or not pickup_col.contents:
+            if pickup_col is None or not pickup_col.contents:
                 pickup_col = row.find("div", class_="col_4-3")
 
-                if pickup_col == None or not pickup_col.contents:
+                if pickup_col is None or not pickup_col.contents:
                     continue
 
             for date in re.findall(r"\d{2}\.\d{2}\.\d{4}", pickup_col.text):
diff --git a/doc/source/karlsruhe_de.md b/doc/source/karlsruhe_de.md
index 88bca3923..3360dcbe9 100644
--- a/doc/source/karlsruhe_de.md
+++ b/doc/source/karlsruhe_de.md
@@ -11,6 +11,7 @@ waste_collection_schedule:
       args:
         street: STRAßE
         hnr: "HAUSNUMMER"
+        ladeort: LADEORT
         
 ```
 
@@ -22,9 +23,16 @@ waste_collection_schedule:
 **hnr**  
 *(String | Integer) (required)*
 
+**ladeort**  
+*(String | Integer) (optional)*  
+only needed for some very limited addresses
+
 
 ## Example
 
+
+### without `ladeort`
+
 ```yaml
 waste_collection_schedule:
     sources:
@@ -34,6 +42,18 @@ waste_collection_schedule:
         hnr: 1 
 ```
 
+```yaml
+waste_collection_schedule:
+    sources:
+    - name: karlsruhe_de
+      args:
+        street: Bernsteinstraße
+        hnr: 10 
+        ladeort: 2
+```
+
 ## How to get the source argument
 
 Find the parameter of your address using [https://web6.karlsruhe.de/service/abfall/akal/akal.php](https://web6.karlsruhe.de/service/abfall/akal/akal.php) and write them exactly like on the web page.
+
+`ladeort` is only required if the website prompts for a "Abholplatz". `ladeort` is the Number of the drop down element behind "Abholplatz" (e.g. 1 for the first element of the drop down menu, 2 for the second item of the drop down menu ...)