diff --git a/Source/BingMapsRESTToolkit.Standard/BingMapsRESTToolkit.Standard.csproj b/Source/BingMapsRESTToolkit.Standard/BingMapsRESTToolkit.Standard.csproj
index 9fd21d4..1cfc5c1 100644
--- a/Source/BingMapsRESTToolkit.Standard/BingMapsRESTToolkit.Standard.csproj
+++ b/Source/BingMapsRESTToolkit.Standard/BingMapsRESTToolkit.Standard.csproj
@@ -131,7 +131,6 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Folder Include="Enums\" />
     <Folder Include="Extensions\TSP Resources\" />
     <Folder Include="Models\CustomMapStyles\" />
     <Folder Include="Models\ResponseModels\" />
diff --git a/Source/BingMapsRESTToolkit.csproj b/Source/BingMapsRESTToolkit.csproj
index a62ddfb..2c0751f 100644
--- a/Source/BingMapsRESTToolkit.csproj
+++ b/Source/BingMapsRESTToolkit.csproj
@@ -39,6 +39,8 @@
     <SignAssembly>false</SignAssembly>
   </PropertyGroup>
   <ItemGroup>
+    <Compile Include="Enums\AutosuggestEntityType.cs" />
+    <Compile Include="Enums\AutosuggestLocationType.cs" />
     <Compile Include="Enums\AvoidType.cs" />
     <Compile Include="Enums\ConfidenceLevelType.cs" />
     <Compile Include="Enums\DimensionUnitType.cs" />
@@ -119,10 +121,12 @@
     <Compile Include="Models\ResponseModels\StaticMapMetadata.cs" />
     <Compile Include="Models\ResponseModels\TrafficIncident.cs" />
     <Compile Include="Models\ResponseModels\TransitLine.cs" />
+    <Compile Include="Models\CircularView.cs" />
     <Compile Include="Models\ResponseModels\Warning.cs" />
     <Compile Include="Models\ResponseModels\Waypoint.cs" />
     <Compile Include="Models\RouteOptions.cs" />
     <Compile Include="Models\VehicleSpec.cs" />
+    <Compile Include="Requests\AutosuggestRequest.cs" />
     <Compile Include="Requests\DistanceMatrixRequest.cs" />
     <Compile Include="Requests\GeospatialEndpointRequest.cs" />
     <Compile Include="Requests\ImageryMetadataRequest.cs" />
diff --git a/Source/Enums/AutosuggestEntityType.cs b/Source/Enums/AutosuggestEntityType.cs
new file mode 100644
index 0000000..931777f
--- /dev/null
+++ b/Source/Enums/AutosuggestEntityType.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BingMapsRESTToolkit.Enums
+{
+    public enum AutosuggestEntityType
+    {
+        Address,
+        Place,
+        LocalBusiness
+    }
+}
diff --git a/Source/Enums/AutosuggestLocationtype.cs b/Source/Enums/AutosuggestLocationtype.cs
new file mode 100644
index 0000000..6b410ea
--- /dev/null
+++ b/Source/Enums/AutosuggestLocationtype.cs
@@ -0,0 +1,51 @@
+/*
+ * Copyright(c) 2018 Microsoft Corporation. All rights reserved. 
+ * 
+ * This code is licensed under the MIT License (MIT). 
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal 
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do 
+ * so, subject to the following conditions: 
+ * 
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software. 
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE. 
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BingMapsRESTToolkit.Enums
+{
+    /// <summary>
+    /// Enum for the Type of Location/Region used in REST Autosuggest Calls
+    /// </summary>
+    public enum AutosuggestLocationType
+    {
+        /// <summary>
+        /// Use a user location and confidence number
+        /// </summary>
+        userLocation,
+        /// <summary>
+        /// Use a Circular Region: central point plus radius
+        /// </summary>
+        userCircularMapView,
+        /// <summary>
+        /// Use a Bounding Box Region
+        /// </summary>
+        userMapView
+    }
+}
diff --git a/Source/Models/CircularView.cs b/Source/Models/CircularView.cs
new file mode 100644
index 0000000..a4eb058
--- /dev/null
+++ b/Source/Models/CircularView.cs
@@ -0,0 +1,62 @@
+/*
+ * Copyright(c) 2018 Microsoft Corporation. All rights reserved. 
+ * 
+ * This code is licensed under the MIT License (MIT). 
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal 
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do 
+ * so, subject to the following conditions: 
+ * 
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software. 
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE. 
+*/
+
+using System.Globalization;
+using System.Runtime.Serialization;
+
+
+namespace BingMapsRESTToolkit
+{
+    [DataContract]
+    public class CircularView
+    {
+        CircularView()
+        {
+        }
+
+        CircularView(float latitude, float longitude, int radius)
+        {
+            if (radius >= 0)
+                this.radius = radius;
+            else
+                throw new System.Exception("Radius in UserCircularMapView Constructor must be greater than 0");
+
+            this.coords.Latitude = latitude;
+            this.coords.Longitude = longitude;
+        }
+
+        public override string ToString()
+        {
+            return string.Format(CultureInfo.InvariantCulture, "{0:0.#####},{1:0.#####},{2}", coords.Latitude, coords.Longitude, radius);
+        }
+
+        public Coordinate coords { get; set; }
+
+        /// <summary>
+        /// Radius (Meters)
+        /// </summary>
+        public int radius { get; set; }
+
+    }
+}
diff --git a/Source/Requests/AutosuggestRequest.cs b/Source/Requests/AutosuggestRequest.cs
new file mode 100644
index 0000000..02e5330
--- /dev/null
+++ b/Source/Requests/AutosuggestRequest.cs
@@ -0,0 +1,146 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.IO;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BingMapsRESTToolkit.Requests
+{
+    class AutosuggestRequest : BaseRestRequest
+    {
+
+        #region Private Properties
+        private const int max_maxResults = 10;
+
+        #endregion
+
+        #region Constructor
+
+        public AutosuggestRequest()
+        {
+            this.AutoLocation = Enums.AutosuggestLocationType.userLocation;
+            this.IncludeEntityTypes = new List<Enums.AutosuggestEntityType>()
+                {
+                    BingMapsRESTToolkit.Enums.AutosuggestEntityType.Address,
+                    BingMapsRESTToolkit.Enums.AutosuggestEntityType.LocalBusiness,
+                    BingMapsRESTToolkit.Enums.AutosuggestEntityType.Place,
+                };
+            this.Culture = "en-US";
+            this.UserRegion = "US";
+            this.CountryFilter = null;
+            this.query = "";
+            
+        }
+
+        #endregion
+
+        #region Public Properties
+
+        public Coordinate UserLocation { get; set; }
+
+        public string UserRegion { get; set; }
+
+        public String CountryFilter { get; set; }
+
+        public List<BingMapsRESTToolkit.Enums.AutosuggestEntityType> IncludeEntityTypes {get; set;}
+
+        public BingMapsRESTToolkit.Enums.AutosuggestLocationType AutoLocation { get; set; }
+
+        public string query { get; set; }
+
+        #endregion
+
+        #region Public Methods
+
+        public override Task<Response> Execute()
+        {
+            return this.Execute(null);
+        }
+
+        public override async Task<Response> Execute(Action<int> remainingTimeCallback)
+        {
+            Stream responseStream = null;
+
+            responseStream = await ServiceHelper.GetStreamAsync(new Uri(GetRequestUrl()));
+
+
+            if (responseStream != null)
+            {
+                var r = ServiceHelper.DeserializeStream<Response>(responseStream);
+                responseStream.Dispose();
+                return r;
+            }
+
+            return null;
+        }
+
+        public override string GetRequestUrl()
+        {
+            if (this.query == "")
+                throw new Exception("Empty Query in Autosuggest REST Request");
+            
+            string queryStr = string.Format("q={0}", this.query);
+
+            string locStr = null;
+
+            switch(AutoLocation)
+            {
+                case Enums.AutosuggestLocationType.userCircularMapView:
+                    locStr = string.Format("ucmv={0}", this.UserCircularMapView.ToString());
+                    break;
+                case Enums.AutosuggestLocationType.userMapView:
+                    locStr = string.Format("umv={0}", this.UserMapView.ToString());
+                    break;
+                case Enums.AutosuggestLocationType.userLocation:
+                    locStr = string.Format("ul={0}", this.UserLocation.ToString());
+                    break;
+            }
+
+            string inclEntityStr = string.Format("inclenttype={0}", getIncludeEntityTypeString());
+
+            string cultureStr = string.Format("c={0}", Culture.ToString());
+
+            List<string> param_list = new List<string>
+            {
+                queryStr,
+                locStr,
+                inclEntityStr,
+                cultureStr,
+                string.Format("key={0}", BingMapsKey)
+            };
+
+            return this.Domain + "Autosuggest?" + string.Join("&", param_list);
+        }
+
+        #endregion
+
+        #region Private Methods
+
+        private string getIncludeEntityTypeString()
+        {
+            List<string> vals = new List<string>();
+
+            foreach(var entity_type in IncludeEntityTypes.Distinct())
+            {
+                switch(entity_type)
+                {
+                    case Enums.AutosuggestEntityType.Address:
+                        vals.Add("Address");
+                        break;
+                    case Enums.AutosuggestEntityType.LocalBusiness:
+                        vals.Add("Business");
+                        break;
+                    case Enums.AutosuggestEntityType.Place:
+                        vals.Add("Place");
+                        break;
+                }
+            }
+
+            return string.Join(",", vals);
+        }
+
+        #endregion
+
+    }
+}
diff --git a/Source/Requests/BaseRestRequest.cs b/Source/Requests/BaseRestRequest.cs
index 5043080..914f257 100644
--- a/Source/Requests/BaseRestRequest.cs
+++ b/Source/Requests/BaseRestRequest.cs
@@ -56,6 +56,11 @@ namespace BingMapsRESTToolkit
         /// </summary>
         public BoundingBox UserMapView { get; set; }
 
+        /// <summary>
+        ///  The circular geographic region that corresponds to the current viewport. 
+        /// </summary>
+        public CircularView UserCircularMapView {get; set; }
+
         /// <summary>
         /// The user’s current position.
         /// </summary>