diff --git a/docs/demo/demo_masjed_dam_detailed_guide.rst b/docs/demo/demo_masjed_dam_detailed_guide.rst
index a43f624..6abd762 100644
--- a/docs/demo/demo_masjed_dam_detailed_guide.rst
+++ b/docs/demo/demo_masjed_dam_detailed_guide.rst
@@ -174,7 +174,7 @@ After running this step, a `sbas` directory is created. Inside this directory, y
     ├── temporal_coherence.h5
     ├── ifg_stack.h5
     ├── ifg_network.h5
-    ├── coordinates_utm.h5
+    ├── coordinates_map.h5
     ├── config.json
     ├── background_map.h5
     └── pic/
diff --git a/docs/processing.rst b/docs/processing.rst
index 0f47638..0a3a1ab 100644
--- a/docs/processing.rst
+++ b/docs/processing.rst
@@ -114,7 +114,7 @@ Step 0: Preparation
 - Output of this step
     - background_map.h5
     - ifg_stack.h5
-    - coordinates_utm.h5
+    - coordinates_map.h5
     - ifg_network.h5
     - temporal_coherence.h5
 
diff --git a/sarvey/objects.py b/sarvey/objects.py
index 84a5724..d8c9642 100644
--- a/sarvey/objects.py
+++ b/sarvey/objects.py
@@ -460,7 +460,7 @@ def prepare(self, *, point_id: np.ndarray, coord_xy: np.ndarray, input_path: str
         """Assign point_id and radar coordinates to the object.
 
         Store the point_id and radar coordinates of the scatterers in the object (not file) and read further
-        attributes from external files (ifg_network.h5, slcStack.h5, geometryRadar.h5, coordinates_utm.h5).
+        attributes from external files (ifg_network.h5, slcStack.h5, geometryRadar.h5, coordinates_map.h5).
 
         Parameters
         ----------
@@ -520,7 +520,7 @@ def open(self, input_path: str, other_file_path: str = None):
         self.openExternalData(input_path=input_path)
 
     def openExternalData(self, *, input_path: str):
-        """Load data which is stored in slcStack.h5, geometryRadar.h5, ifg_network.h5 and coordinates_utm.h5."""
+        """Load data which is stored in slcStack.h5, geometryRadar.h5, ifg_network.h5 and coordinates_map.h5."""
         # 1) read IfgNetwork
         self.ifg_net_obj.open(path=join(dirname(self.file_path), "ifg_network.h5"))
 
@@ -550,7 +550,7 @@ def openExternalData(self, *, input_path: str):
         self.coord_lalo = np.array([lat[mask].ravel(), lon[mask].ravel()]).transpose()
 
         # 4) read UTM coordinates
-        coord_utm_obj = CoordinatesUTM(file_path=join(dirname(self.file_path), "coordinates_utm.h5"),
+        coord_utm_obj = CoordinatesUTM(file_path=join(dirname(self.file_path), "coordinates_map.h5"),
                                        logger=self.logger)
         coord_utm_obj.open()
         self.coord_utm = coord_utm_obj.coord_utm[:, mask].transpose()
diff --git a/sarvey/preparation.py b/sarvey/preparation.py
index 9a199bf..d6a3326 100644
--- a/sarvey/preparation.py
+++ b/sarvey/preparation.py
@@ -211,7 +211,7 @@ def selectPixels(*, path: str, selection_method: str, thrsh: float,
         # cmap = "autumn"
 
     if grid_size is not None:  # -> sparse pixel selection
-        coord_utm_obj = CoordinatesUTM(file_path=join(path, "coordinates_utm.h5"), logger=logger)
+        coord_utm_obj = CoordinatesUTM(file_path=join(path, "coordinates_map.h5"), logger=logger)
         coord_utm_obj.open()
         box_list = ut.createSpatialGrid(coord_utm_img=coord_utm_obj.coord_utm,
                                         length=coord_utm_obj.coord_utm.shape[1],
diff --git a/sarvey/processing.py b/sarvey/processing.py
index 8b4ab2c..3b0c96b 100644
--- a/sarvey/processing.py
+++ b/sarvey/processing.py
@@ -185,8 +185,8 @@ def runPreparation(self):
         )
 
         # store auxilliary datasets for faster access during processing
-        if not exists(join(self.path, "coordinates_utm.h5")):
-            coord_utm_obj = CoordinatesUTM(file_path=join(self.path, "coordinates_utm.h5"), logger=self.logger)
+        if not exists(join(self.path, "coordinates_map.h5")):
+            coord_utm_obj = CoordinatesUTM(file_path=join(self.path, "coordinates_map.h5"), logger=self.logger)
             coord_utm_obj.prepare(input_path=join(self.config.general.input_path, "geometryRadar.h5"))
             del coord_utm_obj
 
@@ -590,7 +590,7 @@ def runFiltering(self):
         plt.close(fig)
 
         # create grid
-        coord_utm_obj = CoordinatesUTM(file_path=join(self.path, "coordinates_utm.h5"), logger=self.logger)
+        coord_utm_obj = CoordinatesUTM(file_path=join(self.path, "coordinates_map.h5"), logger=self.logger)
         coord_utm_obj.open()
 
         # remove points based on threshold
diff --git a/sarvey/sarvey_mti.py b/sarvey/sarvey_mti.py
index af94d52..1a288dd 100755
--- a/sarvey/sarvey_mti.py
+++ b/sarvey/sarvey_mti.py
@@ -104,7 +104,7 @@ def run(*, config: Config, args: argparse.Namespace, logger: Logger):
                            config_section_default=config_default_dict["preparation"],
                            logger=logger)
         proc_obj.runPreparation()
-    required_files = ["background_map.h5", "coordinates_utm.h5", "ifg_network.h5", "ifg_stack.h5",
+    required_files = ["background_map.h5", "coordinates_map.h5", "ifg_network.h5", "ifg_stack.h5",
                       "temporal_coherence.h5"]
 
     if 1 in steps: