diff --git a/src/main/java/com/example/rhizome/app/domain/service/SearchDepartment.java b/src/main/java/com/example/rhizome/app/domain/service/SearchDepartment.java
index 572dcee..a0edfd6 100644
--- a/src/main/java/com/example/rhizome/app/domain/service/SearchDepartment.java
+++ b/src/main/java/com/example/rhizome/app/domain/service/SearchDepartment.java
@@ -1,11 +1,15 @@
 package com.example.rhizome.app.domain.service;
 
+import java.util.List;
+
 import com.example.rhizome.app.domain.model.Department;
 import com.example.rhizome.app.domain.model.SearchConditionDepartment;
 
-import java.util.List;
-
 public interface SearchDepartment {
+	List<Department> searchDepartment(String nmDepartment);
+	
+	List<Department> searchDepartmentById(Integer idDepartment);
+	
     List<Department> selectAll();
 
     List<Department> searchBy(SearchConditionDepartment searchConditionDepartment);
diff --git a/src/main/java/com/example/rhizome/app/domain/service/impl/SearchDepartmentImpl.java b/src/main/java/com/example/rhizome/app/domain/service/impl/SearchDepartmentImpl.java
index feb6b37..2715659 100644
--- a/src/main/java/com/example/rhizome/app/domain/service/impl/SearchDepartmentImpl.java
+++ b/src/main/java/com/example/rhizome/app/domain/service/impl/SearchDepartmentImpl.java
@@ -1,17 +1,18 @@
 package com.example.rhizome.app.domain.service.impl;
 
 
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.jpa.domain.Specification;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
 import com.example.rhizome.app.domain.model.Department;
 import com.example.rhizome.app.domain.model.SearchConditionDepartment;
 import com.example.rhizome.app.domain.service.SearchDepartment;
 import com.example.rhizome.app.infra.entity.DepartmentEntity;
 import com.example.rhizome.app.infra.repository.DepartmentRepository;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.data.jpa.domain.Specification;
-import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
-
-import java.util.List;
 
 /**
  * 部署情報検索系の機能を集約させるサービスクラスです。
@@ -31,6 +32,22 @@ public class SearchDepartmentImpl implements SearchDepartment {
     public SearchDepartmentImpl(DepartmentRepository departmentRepository) {
         this.departmentRepository = departmentRepository;
     }
+    
+    
+    /**
+     * 部署名を元にDepartment Table を検索します。
+     * 
+     * @param nmDepartment 検索対象の nmDepartment
+     * @return Table から取得したレコードの情報
+     */
+    public List<Department> searchDepartment(String nmDepartment) {
+    	return DepartmentEntity.createDepartmentList(departmentRepository.findByNmDepartment(nmDepartment).stream().toList());
+    }
+    
+    @Override
+    public List<Department> searchDepartmentById(Integer idDepartment) {
+    	return DepartmentEntity.createDepartmentList(departmentRepository.findByIdDepartment(idDepartment).stream().toList());
+    }
 
     /**
      * 部署情報を全件取得する