diff --git a/src/main/java/de/sample/schulung/spring/blog/BlogPostController.java b/src/main/java/de/sample/schulung/spring/blog/boundary/BlogPostController.java
similarity index 96%
rename from src/main/java/de/sample/schulung/spring/blog/BlogPostController.java
rename to src/main/java/de/sample/schulung/spring/blog/boundary/BlogPostController.java
index c07f3aa..a38ee76 100644
--- a/src/main/java/de/sample/schulung/spring/blog/BlogPostController.java
+++ b/src/main/java/de/sample/schulung/spring/blog/boundary/BlogPostController.java
@@ -1,4 +1,4 @@
-package de.sample.schulung.spring.blog;
+package de.sample.schulung.spring.blog.boundary;
 
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
diff --git a/src/main/java/de/sample/schulung/spring/blog/BlogPostDto.java b/src/main/java/de/sample/schulung/spring/blog/boundary/BlogPostDto.java
similarity index 88%
rename from src/main/java/de/sample/schulung/spring/blog/BlogPostDto.java
rename to src/main/java/de/sample/schulung/spring/blog/boundary/BlogPostDto.java
index 1ddb854..bd3f372 100644
--- a/src/main/java/de/sample/schulung/spring/blog/BlogPostDto.java
+++ b/src/main/java/de/sample/schulung/spring/blog/boundary/BlogPostDto.java
@@ -1,4 +1,4 @@
-package de.sample.schulung.spring.blog;
+package de.sample.schulung.spring.blog.boundary;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;
diff --git a/src/test/java/de/sample/schulung/spring/blog/BlogPostApiTests.java b/src/test/java/de/sample/schulung/spring/blog/boundary/BlogPostApiTests.java
similarity index 98%
rename from src/test/java/de/sample/schulung/spring/blog/BlogPostApiTests.java
rename to src/test/java/de/sample/schulung/spring/blog/boundary/BlogPostApiTests.java
index f1a4434..a6f2a1b 100644
--- a/src/test/java/de/sample/schulung/spring/blog/BlogPostApiTests.java
+++ b/src/test/java/de/sample/schulung/spring/blog/boundary/BlogPostApiTests.java
@@ -1,4 +1,4 @@
-package de.sample.schulung.spring.blog;
+package de.sample.schulung.spring.blog.boundary;
 
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
diff --git a/src/test/java/de/sample/schulung/spring/blog/BlogPostControllerIntegrationTests.java b/src/test/java/de/sample/schulung/spring/blog/boundary/BlogPostControllerIntegrationTests.java
similarity index 94%
rename from src/test/java/de/sample/schulung/spring/blog/BlogPostControllerIntegrationTests.java
rename to src/test/java/de/sample/schulung/spring/blog/boundary/BlogPostControllerIntegrationTests.java
index 8f4356a..eed06f4 100644
--- a/src/test/java/de/sample/schulung/spring/blog/BlogPostControllerIntegrationTests.java
+++ b/src/test/java/de/sample/schulung/spring/blog/boundary/BlogPostControllerIntegrationTests.java
@@ -1,4 +1,4 @@
-package de.sample.schulung.spring.blog;
+package de.sample.schulung.spring.blog.boundary;
 
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
diff --git a/src/test/java/de/sample/schulung/spring/blog/BlogPostControllerTests.java b/src/test/java/de/sample/schulung/spring/blog/boundary/BlogPostControllerTests.java
similarity index 93%
rename from src/test/java/de/sample/schulung/spring/blog/BlogPostControllerTests.java
rename to src/test/java/de/sample/schulung/spring/blog/boundary/BlogPostControllerTests.java
index 0c2a707..00ec72a 100644
--- a/src/test/java/de/sample/schulung/spring/blog/BlogPostControllerTests.java
+++ b/src/test/java/de/sample/schulung/spring/blog/boundary/BlogPostControllerTests.java
@@ -1,4 +1,4 @@
-package de.sample.schulung.spring.blog;
+package de.sample.schulung.spring.blog.boundary;
 
 import org.junit.jupiter.api.Test;
 import org.springframework.http.HttpStatus;