Looker Studio Function: Looker Studio TOREGION Complete Guide with Examples : Use case
Category: GEO Function
The TOREGION() function in Looker Studio converts a geographic field (such as a location or country field) into a regional value, such as Northern Europe, Southern Asia, Western Africa, etc. This function is highly useful for grouping countries into broader regional categories for large-scale global dashboards and high-level comparison reports.
Purpose TOREGION of the Function
1. Regional Performance Analysis
TOREGION() allows analysts to summarize KPIs across predefined global regions rather than individual countries, supporting better visibility into macro-level business insights.
2. Market & Audience Segmentation
This function helps marketers categorize customers based on regional behavior and trends, enabling region-specific campaigns and targeting strategies.
3. Geo-Visualization & Mapping
Regional grouping enhances visual readability of geographic dashboards and allows comparisons across larger market zones.
Type of Calculation & Practical Use Cases
✅ Sales & Revenue by Region
Aggregate revenue per regional segment to identify geographic strengths and opportunities.
✅ Expansion & Strategy Planning
Monitor KPIs across different world regions to drive international growth decisions.
✅ Regional Audience Targeting
Group users by location and build performance-based strategies for different regions.
✅ Comparative Heatmaps
Enable regional insight layers on world maps inside Looker Studio.
TOREGION(geo_field)
| Parameter | Type | Description | |
|---|---|---|---|
| geo_field | Geo / Country / Location |
| |
How Does the TOREGION Function Work?
TOREGION() reads the geographic information contained in a selected field and returns the related global region name, such as South Asia, Eastern Europe, Middle East, Latin America, etc.
Example:
If input location is India, TOREGION(Country) returns “Southern Asia”.
When Should You Use the TOREGION Function?
Use this function when:
Creating summary dashboards with region-based grouping
Performing market performance evaluations
Building executive-level geo dashboards
Working with customer segmentation across large geographic clusters
Examples of TOREGION?
Example 1: Basic Usage
TOREGION(Country) If Country = “Japan”
Output → “Eastern Asia”
Example 2: Revenue by Region
SUM(Revenue) BY TOREGION(Location) Result: Regional performance comparison across global markets.
Example 3: Geo Chart Usage
Place TOREGION(Location) in the Geo Chart dimension
→ Dashboard displays aggregated heatmaps by region.
Example 4: Combine with Filters
Create a filter based on TOREGION() to enable region-based reporting layers.
Tips & Best Practices
⭐ Use clean geo data for accurate region lookups
⭐ Pair with TOCOUNTRY() or TOCONTINENT() for layered analysis
⭐ Use in dashboards requiring high-level strategic viewpoints
⭐ Works well with metrics like SUM(), COUNT(), AVG() and CASE logic
The function converts a geo or country field into a standardized region name for high-level geographic analysis.
No, it requires a geo-type field or recognized location values.
No, it only transforms values within Looker Studio visualizations.
It groups users or KPIs by broad geographic regions for deeper business insights.
Yes, it is ideal for global KPI dashboards and heatmap visualizations.
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