diff --git a/pyfms/py_horiz_interp/interp.py b/pyfms/py_horiz_interp/interp.py
index d9bea2a..bf7f445 100644
--- a/pyfms/py_horiz_interp/interp.py
+++ b/pyfms/py_horiz_interp/interp.py
@@ -15,4 +15,23 @@ def __init__(self, interp_id: int):
         self.nlon_dst = horiz_interp.get_nlon_dst(interp_id)
         self.nlat_dst = horiz_interp.get_nlat_dst(interp_id)
         self.interp_method = horiz_interp.get_interp_method(interp_id)
-        self.get_area_frac_dst = horiz_interp.get_area_frac_dst(interp_id)
+        self.area_frac_dst = horiz_interp.get_area_frac_dst(interp_id)
+
+    def __repr__(self):
+
+        repr_str = f"""
+            interp_id: {self.interp_id}
+            nxgrid: {self.nxgrid}
+            nlon_src: {self.nlon_src}
+            nlat_src: {self.nlat_src}
+            nlon_dst: {self.nlon_dst}
+            nlat_dst: {self.nlat_dst}
+            interp_method: {self.interp_method}
+            i_src_minmax: [{self.i_src.min()}, {self.i_src.max()}]
+            j_src_minmax [{self.j_src.min()}, {self.j_src.max()}]
+            i_dst_minmax: [{self.i_dst.min()}, {self.i_dst.max()}]
+            j_dst_minmax: [{self.j_dst.min()}, {self.j_dst.max()}]
+            area_frac_dst_minmax: [{self.area_frac_dst.min()}, {self.area_frac_dst.max()}]
+        """
+
+        return repr_str
diff --git a/pyfms/py_mpp/domain.py b/pyfms/py_mpp/domain.py
index ec093f9..da9e9d8 100644
--- a/pyfms/py_mpp/domain.py
+++ b/pyfms/py_mpp/domain.py
@@ -71,3 +71,29 @@ def update(self, domain_dict: dict):
         for key in domain_dict:
             setattr(self, key, domain_dict[key])
         return self
+
+    def __repr__(self):
+
+        repr_str = f"""
+            domain_id: {self.domain_id}\n
+            ** compute domain **
+            (isc, jsc): ({self.isc}, {self.jsc})
+            (iec, jec): ({self.iec}, {self.jec})
+            (xsize_c, ysize_c): ({self.xsize_c}, {self.ysize_c})
+            (xmax_size_c, ymax_size_c): ({self.xmax_size_c}, {self.ymax_size_c})
+            (x_is_global_c, y_is_global_c): ({self.x_is_global_c}, {self.y_is_global_c})\n
+            ** data domain **
+            (isd, jsd) = ({self.isd}, {self.jsd})
+            (ied, jed) = ({self.ied}, {self.jed})
+            (xsize_d, ysize_d): ({self.xsize_d}, {self.ysize_d})
+            (xmax_size_d, ymax_size_d): ({self.xmax_size_d}, {self.ymax_size_d})
+            (x_is_global_d, y_is_global_d): ({self.x_is_global_d}, {self.y_is_global_d})\n
+            ** global domain **
+            (isg, jsg) = ({self.isg}, {self.jsg})
+            (ieg, jeg) = ({self.ieg}, {self.jeg})
+            (xsize_g, ysize_g) = ({self.xsize_g}, {self.ysize_g})
+            (xmax_size_g, ymax_size_g): ({self.xmax_size_g}, {self.ymax_size_g})
+            (x_is_global_d, y_is_global_d): ({self.x_is_global_g}, {self.y_is_global_g})
+        """
+
+        return repr_str