diff --git a/docs/citydb-tool/.pages b/docs/citydb-tool/.pages
index ecb68ce..f9e5f00 100644
--- a/docs/citydb-tool/.pages
+++ b/docs/citydb-tool/.pages
@@ -1,7 +1,9 @@
 nav:
   - index.md
   - db-connection.md
-  - import.md
+  - import:
+    - imoprt.md
+    - import_cityjson.md
   - Export:
     - export_shared_options.md
     - export_citygml.md
diff --git a/docs/citydb-tool/import.md b/docs/citydb-tool/import.md
index cc7624f..9e43ed7 100644
--- a/docs/citydb-tool/import.md
+++ b/docs/citydb-tool/import.md
@@ -21,8 +21,8 @@ The command provides a range of [OPTIONS] to adapt the import process.
 
 ## Import Data
 
-OPTION / command | discription
------------- | -------------
+OPTION / command | discription | default
+------------ | ------------- | -------------
 `@<filename>...` | One or more argument files containing options.
 `<file>...` | One or more files and directories to process (globpatterns allowed).
 `--input-encoding= <encoding>` |  Encoding of input file(s).
@@ -30,14 +30,14 @@ OPTION / command | discription
 `--temp-dir= <dir>` | Store temporary files in this directory.
 `--threads=<threads>`| Number of threads to use for parallel processing.
 `--preview`| Run in preview mode. Features will not be imported.
-`--index-mode=<mode>` | Index mode: keep, drop, drop_create (default: keep). Consider dropping indexes when processing large quantities of data.
+`--index-mode=<mode>` | Index mode: keep, drop, drop_create Consider dropping indexes when processing large quantities of data. | keep
 `--compute-extent` | Compute and overwrite extents of features.
 `--import-xal-source` | Import XML snippets of xAL address elements.
 `-x`, `--xsl-transform=<stylesheet>[,<stylesheet>...]` | Apply XSLT stylesheets to transform input.
 `--log-file=<file>`| Write log messages to this file.
 `--pid-file=<file>` | Create a file containing the process ID.
 `--plugins=<dir>` | Load plugins from this directory.
-`--use-plugins=<plugin[=true|false][,<plugin[=true|false]...]` | Enable or disable plugins with a matching fully qualified class name (default: true).
+`--use-plugins=<plugin[=true|false][,<plugin[=true|false]...]` | Enable or disable plugins with a matching fully qualified class name | true
 
 ### Example
 ```bash
@@ -45,12 +45,20 @@ citydb --help
 ```
 
 ## Handling with duplicate features
-OPTION / command | discription
------------- | -------------
-skip | Duplicates in the input file are not imported into the database.
-terminate | Duplicates in the database are terminated before importing the input file.
-delete | Duplicates in the database are deleted before importing the input file.
-import_all | All features from the input file are imported without checking for duplicates (default behaviour).
+
+There are different options for the import to handle duplicate features based on the feature ID (i.e., gml:id).
+
+OPTION / command | discription | default
+------------ | ------------- | -------------
+`-m, --import-mode=<mode>` | Import mode: skip, terminate, delete, import_all | import_all
+
+skip -->        Duplicates in the input file are not imported into the database.
+
+terminate -->   Duplicates in the database are terminated before importing the input file.
+
+delete -->      Duplicates in the database are deleted before importing the input file.
+
+import_all -->  All features from the input file are imported without checking for duplicates.
 
 ### Example
 ```bash
@@ -58,8 +66,8 @@ citydb --help
 ```
 
 ## Filter Options
-OPTION / command | discription
------------- | -------------
+OPTION / command | discription | default
+------------ | ------------- | -------------
  `-t`, `--type-name=<[prefix:]name>[,<[prefix:]name>...]`| Names of the features to process.
 `-i`, `--id=<id>[,<id>...]` |  Identifiers of the features to process.
 `-b`, `--bbox=<x_min,y_min,x_max,y_max[,srid]>` | Bounding box to use as spatial filter.
@@ -91,4 +99,3 @@ You can use an textfile to combine and outsource commands and the link to the co
 ```bash
 citydb import citygml <file> @options.txt
 ```
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diff --git a/docs/citydb-tool/import_cityjson.md b/docs/citydb-tool/import_cityjson.md
new file mode 100644
index 0000000..4c255fd
--- /dev/null
+++ b/docs/citydb-tool/import_cityjson.md
@@ -0,0 +1,26 @@
+---
+title: Import Cityjson
+subtitle: Import Cityjson
+description:
+# icon: material/emoticon-happy
+status: wip
+---
+
+The **import** command imports one or more CityGML or CityJSON files into the 3D City Database.
+
+## Usage
+
+To import your files to the 3D City Database it is necessary to give along the information for the connection. Look up [Database connection](db-connection.md) for further information.
+
+Use `citydb import cityjson [OPTIONS] <file>` to import one or more citygml files from a directory into the database.
+
+The command provides a range of [OPTIONS] to adapt the import process.
+
+The different commands are identical to the import of CityGML up to one command.
+
+# Options Table
+
+
+OPTION / command | discription | default
+------------ | ------------- | -------------
+` --[no-]map-unknown-objects` |  Map city objects from unsupported extensions onto generic city objects. | true
\ No newline at end of file