diff --git a/src/bindings/c/docs/api_overview.md b/src/bindings/c/docs/api_overview.md
index 6ca2ad403c1a7e..3deedeb5ddef65 100644
--- a/src/bindings/c/docs/api_overview.md
+++ b/src/bindings/c/docs/api_overview.md
@@ -181,8 +181,14 @@ typedef enum {
 
     U1,              //!< binary element type
 
+    U2,              //!< u2 element type
+
+    U3,              //!< u3 element type
+
     U4,              //!< u4 element type
 
+    U6,              //!< u6 element type
+
     U8,              //!< u8 element type
 
     U16,             //!< u16 element type
@@ -193,6 +199,12 @@ typedef enum {
 
     NF4,             //!< nf4 element type
 
+    F8E4M3,          //!< f8e4m3 element type
+
+    F8E5M3,          //!< f8e5m2 element type
+
+    STRING,          //!< string element type
+
 } ov_element_type_e;
 ```
 
diff --git a/src/bindings/c/include/openvino/c/ov_common.h b/src/bindings/c/include/openvino/c/ov_common.h
index daebbb7b656587..22ac486fc819cc 100644
--- a/src/bindings/c/include/openvino/c/ov_common.h
+++ b/src/bindings/c/include/openvino/c/ov_common.h
@@ -165,7 +165,8 @@ typedef enum {
 /**
  * @enum ov_element_type_e
  * @ingroup ov_base_c_api
- * @brief This enum contains codes for element type.
+ * @brief This enum contains codes for element type, which is aligned with ov::element::Type_t in
+ * src/core/include/openvino/core/type/element_type.hpp
  */
 typedef enum {
     UNDEFINED = 0U,  //!< Undefined element type
@@ -181,7 +182,10 @@ typedef enum {
     I32,             //!< i32 element type
     I64,             //!< i64 element type
     U1,              //!< binary element type
+    U2,              //!< u2 element type
+    U3,              //!< u3 element type
     U4,              //!< u4 element type
+    U6,              //!< u6 element type
     U8,              //!< u8 element type
     U16,             //!< u16 element type
     U32,             //!< u32 element type
@@ -189,6 +193,7 @@ typedef enum {
     NF4,             //!< nf4 element type
     F8E4M3,          //!< f8e4m3 element type
     F8E5M3,          //!< f8e5m2 element type
+    STRING,          //!< string element type
 } ov_element_type_e;
 
 /**
diff --git a/src/bindings/c/src/common.h b/src/bindings/c/src/common.h
index cec3e9999c430b..bf41e520cfa8fd 100644
--- a/src/bindings/c/src/common.h
+++ b/src/bindings/c/src/common.h
@@ -209,5 +209,6 @@ struct mem_istream : virtual mem_stringbuf, std::istream {
 };
 
 char* str_to_char_array(const std::string& str);
+ov_element_type_e find_ov_element_type_e(ov::element::Type type);
 ov::element::Type get_element_type(ov_element_type_e type);
 void dup_last_err_msg(const char* msg);
diff --git a/src/bindings/c/src/ov_node.cpp b/src/bindings/c/src/ov_node.cpp
index b52eda58faa715..5d920a02bed4fc 100644
--- a/src/bindings/c/src/ov_node.cpp
+++ b/src/bindings/c/src/ov_node.cpp
@@ -87,7 +87,7 @@ ov_status_e ov_port_get_element_type(const ov_output_const_port_t* port, ov_elem
 
     try {
         auto type = (ov::element::Type_t)port->object->get_element_type();
-        *tensor_type = (ov_element_type_e)type;
+        *tensor_type = find_ov_element_type_e(type);
     }
     CATCH_OV_EXCEPTIONS
 
diff --git a/src/bindings/c/src/ov_tensor.cpp b/src/bindings/c/src/ov_tensor.cpp
index 3ad7d408add000..952f9cb394ba92 100644
--- a/src/bindings/c/src/ov_tensor.cpp
+++ b/src/bindings/c/src/ov_tensor.cpp
@@ -19,16 +19,20 @@ const std::map<ov_element_type_e, ov::element::Type> element_type_map = {
     {ov_element_type_e::I32, ov::element::i32},
     {ov_element_type_e::I64, ov::element::i64},
     {ov_element_type_e::U1, ov::element::u1},
+    {ov_element_type_e::U2, ov::element::u2},
+    {ov_element_type_e::U3, ov::element::u3},
     {ov_element_type_e::U4, ov::element::u4},
+    {ov_element_type_e::U6, ov::element::u6},
     {ov_element_type_e::U8, ov::element::u8},
     {ov_element_type_e::U16, ov::element::u16},
     {ov_element_type_e::U32, ov::element::u32},
     {ov_element_type_e::U64, ov::element::u64},
     {ov_element_type_e::NF4, ov::element::nf4},
     {ov_element_type_e::F8E4M3, ov::element::f8e4m3},
-    {ov_element_type_e::F8E5M3, ov::element::f8e5m2}};
+    {ov_element_type_e::F8E5M3, ov::element::f8e5m2},
+    {ov_element_type_e::STRING, ov::element::string}};
 
-inline ov_element_type_e find_ov_element_type_e(ov::element::Type type) {
+ov_element_type_e find_ov_element_type_e(ov::element::Type type) {
     for (auto iter = element_type_map.begin(); iter != element_type_map.end(); iter++) {
         if (iter->second == type) {
             return iter->first;