diff --git a/Hotel/Hotel.sln b/Hotel/Hotel.sln
index 6cf8412..a7e50b2 100644
--- a/Hotel/Hotel.sln
+++ b/Hotel/Hotel.sln
@@ -5,6 +5,8 @@ VisualStudioVersion = 17.9.34622.214
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HotelView", "HotelView\HotelView.csproj", "{BEF2955E-B161-42D6-9385-D06D31FA5CF8}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HotelDataModels", "HotelDataModels\HotelDataModels.csproj", "{311319D0-3CD8-48F0-8258-017FBD83728D}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{BEF2955E-B161-42D6-9385-D06D31FA5CF8}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{BEF2955E-B161-42D6-9385-D06D31FA5CF8}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{BEF2955E-B161-42D6-9385-D06D31FA5CF8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{311319D0-3CD8-48F0-8258-017FBD83728D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{311319D0-3CD8-48F0-8258-017FBD83728D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{311319D0-3CD8-48F0-8258-017FBD83728D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{311319D0-3CD8-48F0-8258-017FBD83728D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Hotel/HotelDataModels/Enums/AcceptanceStatus.cs b/Hotel/HotelDataModels/Enums/AcceptanceStatus.cs
new file mode 100644
index 0000000..9649496
--- /dev/null
+++ b/Hotel/HotelDataModels/Enums/AcceptanceStatus.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDataModels.Enums
+{
+	public enum AcceptanceStatus
+	{
+		Неизвестен = -1,
+		Получин = 0,
+		Принимается = 1,
+		Принят = 2
+	}
+}
diff --git a/Hotel/HotelDataModels/HotelDataModels.csproj b/Hotel/HotelDataModels/HotelDataModels.csproj
new file mode 100644
index 0000000..132c02c
--- /dev/null
+++ b/Hotel/HotelDataModels/HotelDataModels.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/Hotel/HotelDataModels/IId.cs b/Hotel/HotelDataModels/IId.cs
new file mode 100644
index 0000000..c650085
--- /dev/null
+++ b/Hotel/HotelDataModels/IId.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDataModels
+{
+	public interface IId
+	{
+		int Id { get; }
+	}
+}
diff --git a/Hotel/HotelDataModels/Models/IBooking.cs b/Hotel/HotelDataModels/Models/IBooking.cs
new file mode 100644
index 0000000..3ba84d1
--- /dev/null
+++ b/Hotel/HotelDataModels/Models/IBooking.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDataModels.Models
+{
+	public interface IBooking : IId
+	{
+		int RoomId { get; }
+		int ClientId { get; }
+		DateTime ArrivalDate { get; }
+		DateTime DepartureDate { get; }
+		int NumberHoursSpent { get; }
+		int TotalCost { get; }
+	}
+}
diff --git a/Hotel/HotelDataModels/Models/IClient.cs b/Hotel/HotelDataModels/Models/IClient.cs
new file mode 100644
index 0000000..b5f753d
--- /dev/null
+++ b/Hotel/HotelDataModels/Models/IClient.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDataModels.Models
+{
+	public interface IClient : IId
+	{
+		string Name { get; }
+		string Surname { get; }
+		DateOnly DateOfBirth { get; }
+		string PhoneNumber { get; }
+	}
+}
diff --git a/Hotel/HotelDataModels/Models/IPost.cs b/Hotel/HotelDataModels/Models/IPost.cs
new file mode 100644
index 0000000..5092d8a
--- /dev/null
+++ b/Hotel/HotelDataModels/Models/IPost.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDataModels.Models
+{
+	public interface IPost : IId
+	{
+		string PostName { get; }
+	}
+}
diff --git a/Hotel/HotelDataModels/Models/IRoom.cs b/Hotel/HotelDataModels/Models/IRoom.cs
new file mode 100644
index 0000000..2c43de7
--- /dev/null
+++ b/Hotel/HotelDataModels/Models/IRoom.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDataModels.Models
+{
+	public interface IRoom : IId
+	{
+		int MaidId { get; }
+		int Number { get; }
+		int Floor { get; }
+		int NumberOfBeds { get; }
+		string Condition { get; }
+		int Cost { get; }
+	}
+}
diff --git a/Hotel/HotelDataModels/Models/IWorker.cs b/Hotel/HotelDataModels/Models/IWorker.cs
new file mode 100644
index 0000000..ec758c1
--- /dev/null
+++ b/Hotel/HotelDataModels/Models/IWorker.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HotelDataModels.Models
+{
+	public interface IWorker : IId
+	{
+		int PostId { get; }
+		string Surname { get; }
+		string Name { get; }
+		string Patronymic { get; }
+		DateOnly DateOfBirth { get; }
+		int WorkExperience { get; }
+		int Salary { get; }
+		string Phone { get; }
+
+	}
+}