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The ASP.NET Core Maps Library is a geographical data visualization tool for rendering maps from GeoJSON data or other map providers like OpenStreetMap, Google Maps, Bing Maps, etc. Its rich feature set includes markers, labels, bubbles, navigation lines, legends, tooltips, zooming, panning, drill down, and more

GeoJSON layer

Bind GeoJSON data to the maps to render any geometric shape in SVG (Scalable Vector Graphics) for data visualization of shapes. For example, render the world map or US map and customize it to the desired look using built-in options in the ASP.NET Core Maps control. Add any number of layers to the maps.

Geometry types

GeoJSON data contains geometry objects with properties such as geometry types and coordinates. The geometry types are the values present in the geometry objects of the GeoJSON data that specify the type of shape to be rendered, along with the coordinates that help to draw the shape’s boundary line. Polygon, MultiPolygon, LineString, MultiLineString, Point, MultiPoint, and GeometryCollection are the supported geometry types.

ASP.NET CORE Maps is rendered with geometry type over OSM map

Geo-imagery visuals

Built-in support for external geospatial imagery services, such as Bing Maps and OpenStreetMap, is used to visualize satellite, aerial, and street maps, or other kinds of imagery tiles without any external shape inputs. Apart from Bing Maps and OpenStreetMap, users can also render maps from various map providers, for example, Google Maps Tile API, TomTom, Mapbox, Esri’s ArcGIS, etc. By using these external services, map data can be located easily.


Using sublayer, an ASP.NET Core Map can be created with multiple geometric layers in a single view. For example, render additional geographic features of a country such as rivers, valleys, and more as sublayer. You can also drill each layer.

ASP.NET CORE Maps is rendered with multiple layers


Denote a place with symbols or mark messages at the desired latitude and longitude on a map using markers. For example, indicate a particular place on the US map using a balloon marker shape. Also, place any HTML element as a marker and add multiple markers to the map.

ASP.NET CORE Maps is rendered with multiple markers

Marker clustering

Display multiple markers in the same location by clustering the markers overlapping one another. For example, use markers to indicate the top 50 cities in the world. If a marker overlaps another, it will be clustered, and the total number of markers will be displayed over the cluster.

ASP.NET CORE Maps is rendered with marker clustering option

Data labels

Data labels on the map provide identification for the shapes by displaying their names. Trim or hide the labels at intersections with other labels and when they exceed shape bounds.

ASP.NET CORE Maps is rendered with data labels


Create a simple ASP.NET Core Map with bubbles to represent additional information about shapes such as population density, land area, and more. Bubbles are rendered with various magnitudes and colors based on the underlying data values of the shape.

ASP.NET CORE Maps is rendered with multiple bubbles

Denote flight routes or ship routes on a geographic map between two places. These connector lines link points on a map and can also be curved.

ASP.NET CORE Maps is rendered with navigation lines

Color mapping

Categorize the shapes on a map by customizing their color based on the underlying values. The ASP.NET Core Maps control supports three types of color mapping: range color mapping, equal color mapping and desaturation color mapping.

Range color mapping is applied for the shapes in ASP.NET CORE Maps

Range color mapping

Apply colors to the shapes by comparing their values with a desired numeric range. For example, apply colors to the states in the US based on population density.

Equal color mapping is applied for the shapes in ASP.NET CORE Maps

Equal color mapping

Differentiate a shape’s fill based on its underlying values and colors, using equal color mapping. For example, apply colors to the states in the US based on a winning candidate.

Desaturation color mapping is applied for the shapes in ASP.NET CORE Maps

Desaturation color mapping

Change the opacity of the shapes by comparing their values with a desired numeric range. Minimum and maximum opacity of the shapes can be customized.

Desaturation color mapping with multiple colors are applied for the shapes in ASP.NET CORE Maps

Desaturation with multiple colors

Apply multiple colors to the shape from a gradient by comparing their values with a desired numeric range. Any number of colors can be specified for creating the gradient.


Legends provide valuable information for interpreting the map with various colors, shapes, or other identifiers based on data and application needs. Interactive ASP.NET Core Map component supports two types of legends: Default and Interactive.

ASP.NET CORE Maps is rendered with default legend items


A map with a legend contains swatches of symbols with descriptions to denote the categories of shapes.

ASP.NET CORE Maps is rendered with interactive legend


Use a map with an interactive legend to find the range of an underlying shape’s value on mouse hover.

Zooming and panning

Zoom the ASP.NET Core Map for close-up analysis by pinching the map, scrolling the mouse wheel, clicking the shapes, or by using zooming toolbar; and pan the map for easy navigation across regions. Also change the zoom level of the initial rendering.

Zooming and panning is enabled in the ASP.NET CORE Maps


The tooltip displays details about the shape value on mouse hover. Tooltips are also displayed for markers and bubbles on a map.

Displays a tooltip on moving mouse over the ASP.NET CORE Maps


Drill-down the rendered maps to display a different shape data located on another layer. For example, in the initial layer render the world map and on clicking a particular continent, render it separately on another layer.

ASP.NET CORE Maps is rendered with multiple layers and enabled drilldown option

Selection and highlight

Select a particular shape on mouse click or highlight on mouse hover to bring the focus to the other shapes on a map.

Particular shape is selected in the rendered ASP.NET CORE Maps

Custom shapes

Create an ASP.NET Core Map with custom shapes by rendering personalized GeoJSON data to indicate building infrastructure, points of interest, flight/bus seat arrangement, cricket stadium, and more.

Bus seat selection is simulated in the ASP.NET CORE Maps


Display any HTML element as an annotation at a specific point of interest on a map. For example, place a direction compass image on the map using annotation. Also add multiple annotations to a map.

ASP.NET CORE Maps is rendered with annotation which has direction compass image


Change the projection of the default rendering map based on the need. The ASP.NET Core Maps control supports various types of projections namely, Mercator, Rectangular, Miller, Eckert3, Eckert5, Eckert6, and Winkel3.

Title and subtitle

Add title and subtitle to visualize additional information on the ASP.NET Core Maps. Fonts and alignment of the title and subtitle can also be customized.

ASP.NET CORE Maps is rendered with title and subtitle


Customize the look and feel of an ASP.NET Core Map by changing the fill color, background, border, and opacity of shapes. Almost all the elements in the map are customizable. This control also provides built-in palettes with customizable options, by default.

ASP.NET CORE Maps is rendered with customized appearance


Export or print the rendered ASP.NET Core Maps to save a local copy for further use.

Export ASP.NET CORE Maps illustration


Export the ASP.NET Core Maps to a PDF document or in image formats such as SVG, PNG, and JPEG in client-side.

Print ASP.NET CORE Maps illustration


Print the rendered ASP.NET Core Maps directly from the browser.

Touch and Browser

The interactive maps also supports touch interactions.

ASP.NET Core Maps Touch illustration

Touch support

All the features of Maps work on touch devices with zero configuration. Use the touch features such as tooltip, drill-down, selection, highlight, pinch zooming, single tap zoom, and double tap zoom without any customization.

ASP.NET Core Maps Responsive illustration


View ASP.NET Core Maps control on various devices. Also hide specific elements in the maps for specific screen sizes by making very minimal changes in the map events.

ASP.NET Core Maps Cross browser illustration

Cross browser support

Render maps component in all the modern browsers.

ASP.NET Core Maps Code Example

Easily get started with ASP.NET Core Maps using a few simple lines of CSHTML and C# code, as demonstrated below. Also explore our ASP.NET Core Maps Example that shows you how to render the maps in ASP.NET Core.

    var data = new[] {
       new {Country= "China", Membership= "Permanent", Color= "#feb24c" },
       new {Country= "United States", Membership= "Permanent", Color= "#feb24c" },
       new {Country= "United Kingdom", Membership= "Permanent", Color= "#feb24c" },
       new {Country= "Germany", Membership= "Permanent", Color= "#feb24c" },
       new {Country= "Italy", Membership= "Permanent", Color= "#feb24c" },
       new {Country= "India", Membership= "Permanent", Color= "#feb24c" },
       new {Country= "Australia", Membership= "Permanent", Color= "#feb24c" },
       new {Country= "Japan", Membership= "Permanent", Color= "#feb24c" },
       new {Country= "France", Membership= "Permanent", Color= "#feb24c" },
       new {Country= "Russia", Membership= "Permanent", Color= "#feb24c" },
       new {Country= "Kazakhstan", Membership= "Non-Permanent", Color= "#f03b20" },
       new {Country= "Poland", Membership= "Non-Permanent", Color= "#f03b20" },
       new {Country= "Sweden", Membership= "Non-Permanent", Color= "#f03b20" },
       new {Country= "South Africa", Membership= "Non-Permanent", Color= "#f03b20" }

@using Syncfusion.EJ2.Maps;
<ejs-maps id="maps">
        <e-maps-layer shapeData="ViewBag.worldmap" shapeDataPath="Country" shapePropertyPath='new[] { "name" }' dataSource="data">
            <e-layersettings-shapesettings colorValuePath="Color" fill='#E5E5E5'></e-layersettings-shapesettings>
using ApplicationName.Models;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Newtonsoft.Json;

namespace ApplicationName.Controllers
    public class HomeController : Controller
        public IActionResult Index()
            ViewBag.worldmap = GetWorldMap();
            return View();
        public object GetWorldMap()
            string allText = System.IO.File.ReadAllText("./wwwroot/WorldMap.json");
            return JsonConvert.DeserializeObject(allText);

Other supported frameworks

Maps is also available in Blazor, Angular, React, Vue, and JavaScript frameworks. Check out the different Maps platforms from the links below,


Frequently Asked Questions

  • Render geometric or custom shapes using the GeoJson data.
  • Render maps from the map providers like Bing, OSM, and Google maps.
  • Add markers on maps at the specified latitude and longitude.
  • Fast-paced performance on zooming and panning with elegant animation.
  • One of the best ASP.NET Core Maps in the market that offers feature-rich UI to interact with the software.
  • Simple configuration and API.
  • Supports all modern browsers.
  • Mobile-touch friendly and responsive.
  • Expansive learning resources such as demos and documentation to learn quickly and get started with ASP.NET Core Maps.

We do not sell the ASP.NET Core Maps separately. It is only available for purchase as part of the Syncfusion ASP.NET Core suite, which contains over 80 ASP.NET Core components, including the Maps. A single developer license for the Syncfusion Essential Studio for ASP.NET Core suite costs $995.00 USD, including one year of support and updates. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team today to see if you qualify for any additional discounts.

You can find our ASP.NET Core Maps demo here.

No, our 80+ ASP.NET Core components, including Maps, are not sold individually, only as a single package. However, we have competitively priced the product so it only costs a little bit more than what some other vendors charge for their Maps alone. We have also found that, in our experience, our customers usually start off using one of our products and then expand to several products quickly, so we felt it was best to offer all 80+ ASP.NET Core components for a flat fee of $995/developer. On top of this, we might be able to offer additional discounts based on currently active promotions. Please contact our sales team today to see if you qualify for any additional discounts.

No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

A good place to start would be our comprehensive getting started documentation.

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