diff --git a/api/src/main/java/hexagonal/api/room/application/port/in/CreateRoomCommand.java b/api/src/main/java/hexagonal/api/room/application/port/in/CreateRoomCommand.java
new file mode 100644
index 0000000..c78f5ef
--- /dev/null
+++ b/api/src/main/java/hexagonal/api/room/application/port/in/CreateRoomCommand.java
@@ -0,0 +1,25 @@
+package hexagonal.api.room.application.port.in;
+
+import hexagonal.core.domain.jpa.RoomJpaEntity;
+import lombok.Getter;
+
+@Getter
+public class CreateRoomCommand {
+
+    private final Long companyId;
+    private final Long adminId;
+
+    public CreateRoomCommand(Long companyId, Long adminId) {
+        this.companyId = companyId;
+        this.adminId = adminId;
+    }
+
+    public RoomJpaEntity toJpaEntity() {
+        return RoomJpaEntity.builder()
+                .id(null)
+                .companyId(companyId)
+                .adminId(adminId)
+                .build();
+    }
+
+}
diff --git a/api/src/main/java/hexagonal/api/room/application/port/in/CreateRoomUseCase.java b/api/src/main/java/hexagonal/api/room/application/port/in/CreateRoomUseCase.java
new file mode 100644
index 0000000..1c18a8f
--- /dev/null
+++ b/api/src/main/java/hexagonal/api/room/application/port/in/CreateRoomUseCase.java
@@ -0,0 +1,5 @@
+package hexagonal.api.room.application.port.in;
+
+public interface CreateRoomUseCase {
+    Long createRoom(CreateRoomCommand command);
+}