Graphed LogoGraphed
Graphed LogoGraphed
How It WorksAgentsIntegrationsPricing

What Will You Use Custom Regions for in Tableau?

Cody Schneider••8 min read

Mapping your data is a great way to see geographic trends, but what happens when standard maps don’t match how your business actually operates? This is where Tableau’s custom regions come in, letting you transform generic state or country lines into meaningful territories that perfectly reflect your sales areas, distribution networks, or marketing campaigns. This article will show you exactly how to create these custom territories and explore practical ways you can use them to find better insights.

GraphedGraphed

Build AI Agents for Marketing

Build virtual employees that run your go to market. Connect your data sources, deploy autonomous agents, and grow your company.

Watch Graphed demo video

What Exactly Are Custom Regions in Tableau?

In Tableau, a custom region is a user-defined geographic area created by grouping smaller geographic units. Instead of using default boundaries like states, countries, or zip codes, you can define your own named territories. For example, you could group Maine, Vermont, New Hampshire, Massachusetts, Connecticut, and Rhode Island together and call it the "Northeast Territory."

This functionality allows you to aggregate your data based on your organization's unique structure. Standard maps show you how every individual state performs, which can be noisy and distracting. Custom regions let you see how your "West Coast Division" is performing as a single unit or how your "EMEA" market compares to your "LATAM" market.

Essentially, you’re telling Tableau to forget standard political boundaries and use your operational map of the world instead. This aligns your data visualizations directly with business strategy, making them instantly more intuitive for everyone on your team.

Free PDF · the crash course

AI Agents for Marketing Crash Course

Learn how to deploy AI marketing agents across your go-to-market — the best tools, prompts, and workflows to turn your data into autonomous execution without writing code.

Why Should You Use Custom Regions?

Creating your own territories might seem like an extra step, but the benefits are significant. It bridges the gap between raw geographic data and actionable business intelligence.

  • Perfect Alignment with Business Operations: Very few companies structure their operations strictly by state or country lines. Sales teams have territories, logistics departments have distribution zones, and marketing launches campaigns for specific regions. Custom territories allow you to build reports and dashboards that mirror this reality, so when a manager asks, "How is the Southern Region doing?" you have an immediate visual answer.
  • Simplified High-Level Insights: Analyzing performance across 50 individual states can be overwhelming. Is the slight dip in Nevada part of a larger trend, or is it just a fluke? By grouping states into four or five key territories, you can easily compare high-level performance. This simplifies the view, making it easier to spot significant trends, identify top-performing regions, and allocate resources more effectively.
  • More Powerful Storytelling: Data visualization is about telling a clear story. A map shaded by your custom sales regions tells a much more compelling story to your stakeholders than a standard map they have to interpret themselves. It provides immediate context, answering questions before they're even asked and focusing the conversation on strategy rather than on deciphering the chart.
  • Flexibility to Analyze Any Grouping: You are not limited by Tableau's default hierarchies. You can create regions based on any logic that makes sense for your analysis - economic similarities, supply chain routes, product launch phases, or even cultural groupings. This gives you complete control over your geographic analysis.

A Step-by-Step Guide to Creating Custom Regions

Creating your own regions in Tableau is surprisingly straightforward. The most common method involves grouping existing geographic fields like State, Country, or Postal Code. Let's walk through an example of creating U.S. sales territories.

Step 1: Build Your Base Map

First, you need a map to work with. Open your Tableau worksheet and connect to a data source that contains geographic information (e.g., State) and a measure (e.g., Sales).

  1. Drag your geographic dimension, such as State, onto the worksheet. Tableau will automatically recognize it as geographic data and will likely create a map for you, placing Longitude on the Columns shelf and Latitude on the Rows shelf.
  2. Drag your measure, like Sales, onto the Color shelf in the Marks card. You should now see a filled map where each state's color corresponds to its sales volume. This is your starting point.
GraphedGraphed

Build AI Agents for Marketing

Build virtual employees that run your go to market. Connect your data sources, deploy autonomous agents, and grow your company.

Watch Graphed demo video

Step 2: Select the Areas for Your First Region

Next, you’ll select the states you want to group together into your first territory. Look at your map, and in the map controls (usually in the upper-left corner of the map view), you'll see several selection tools.

  • Choose the selection tool that works best for you: the Lasso tool is great for drawing freehand shapes around irregular areas, the Radial tool selects everything in a circle, and the Rectangular tool captures everything in a box.
  • Using your chosen tool, click and drag to select all the states for your first custom region. For example, let's select California, Oregon, and Washington to create a "West Coast" territory.

Step 3: Create the Group

Once you’ve highlighted the states, hover over them. A small tooltip will appear with details and a few action icons.

  1. Click the paperclip icon, which is the "Group" button.
  2. A dialog box will pop up asking what you want to group ("State"). Confirm, and Tableau will instantly create a new calculated field in your Data pane called State (group). The selected states on your map will now be the same color.

You’ve just created your first custom region!

Step 4: Rename and Refine Your Regions

Tableau's default naming isn't very descriptive, so let's clean it up.

  1. In the Data pane sidebar, find your new State (group) field. Right-click on it and select "Edit Group...".
  2. The Edit Group window shows your newly created group (containing an ampersand-separated list of state names) and all the other states under a default group called "Other."
  3. Click the name of your new group and then click "Rename." Change it to something meaningful, like "West Coast."
  4. To create your next region, select additional states from the "Other" list in this same window (e.g., Arizona, New Mexico, Utah, Colorado), click "Group," and rename that new group to "Mountain West."
  5. Repeat this process until you have defined all your territories.

Step 5: Apply Your Custom Regions to the Map

Now it's time to put your hard work to use. On your worksheet, drag the original State field off the Marks card (if it's still there). Your new grouped field holds all the regional information.

  1. Drag your State (group) field from the Data pane onto the Color shelf in the Marks card.
  2. Your map will now update, coloring each area according to the custom regions you just created.

You can now see measures like Sales or Profit aggregated at your custom territory level, giving you a crystal-clear, high-level view of regional performance.

Free PDF · the crash course

AI Agents for Marketing Crash Course

Learn how to deploy AI marketing agents across your go-to-market — the best tools, prompts, and workflows to turn your data into autonomous execution without writing code.

Practical Use Cases for Custom Regions

Once you know how to create custom regions, you can apply the technique to solve a wide variety of business problems.

  • Sales Performance Monitoring: This is the most popular use case. Visualize metrics like revenue, new customers, or quota attainment for each sales territory. You can quickly see which regions are hitting their targets and which may need more support or updated strategies.
  • Supply Chain and Logistics Optimization: A national retailer could group its stores into regions based on which distribution hubs serve them. By analyzing shipping times or inventory levels per custom region, logistics managers can identify bottlenecks and optimize their supply chain.
  • Marketing Campaign ROI Analysis: If you're running a digital campaign focused on major metropolitan areas in the Southeast, you can group zip codes associated with Atlanta, Miami, and Charlotte into a single "Southeast Metro" region. This allows you to measure the campaign’s impact (leads, website visits, conversions) for that specific target audience without including rural data that would distort the results.
  • Demographic and Operational Analysis: Group states by population density to analyze product sales in urban vs. rural areas. Or, for a global company, group countries into operational regions like APAC, EMEA, and LATAM to compare profitability and growth across continents.

A Few Final Tips for Success

  • Define Your Goal First: Before you start drawing lasso circles on a map, have a clear business question in mind. Knowing whether you're building a view for the sales team or the operations team will guide how you define your regions.
  • Leverage Hierarchies: For interactive dashboards, create a hierarchy. In the Data pane, simply drag the original State field and drop it on top of your State (group) field. Name the hierarchy "Geography." Now, users can drill down from your custom territory view to see the individual states within it, and vice-versa.
  • Keep it Simple: The main advantage of custom regions is clarity. Avoid creating too many small regions, as that can make the view just as cluttered as the original map you started with. Stick to high-level groupings that matter most.
  • Verify Your Groups: After creating your regions, quickly scan them in the "Edit Group" window to make sure you didn’t accidentally miss a state or include one in the wrong territory.

Final Thoughts

Custom regions are a powerful feature in Tableau that elevate your maps from simple geographic plots to strategic business dashboards. By grouping territories to match the way your organization works, you create visuals that are more intuitive, impactful, and directly aligned with your goals.

While mastering specific platforms like Tableau is incredibly valuable for deep-dive analysis, the core goal is always to get clear answers about your business quickly. Learning processes for each tool is essential, but sometimes you just need to turn your mounds of marketing and sales data into an actionable insight right now. Using natural language, we designed powerful AI tools like Graphed to do the heavy lifting for you. By simply describing the chart you need - "Show me a map of sales by our main US sales territories” - you get an interactive, real-time dashboard built in seconds, freeing you up to focus on strategy instead of struggling with report configuration.

Related Articles