This archive provides access to administrative-territorial histories of countries and their associated attributes in GIS format for several polities. Data is researched and transformed according to industry standards. To access the data for preview, please use the contact page to issue a request.
Navigate through time-series data to visualize boundary changes across decades.
Access metadata including historical names, dates, administrative levels, technical specifications, and sources.
Ikonen has a "no AI" policy when creating data. All geospatial analysis is performed according to the ethical code found at https://www.gisci.org/.
GIS Histories are living datasets. Each is kept up to date according to current and planned territorial changes, newly discovered sources, and accuracy assessments.
Data
| Country | Description | Status | Actions | |
|---|---|---|---|---|
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Latvia
|
Administrative boundaries of Latvia from 1726-2025. | Available | View Map |
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United Kingdom
|
Administrative boundaries of the United Kingdom from 1814-2024. | Available | View Map |
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Moldova
|
Administrative boundaries of Moldova from 1796-2024. | Preview Available | View Map |
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Bulgaria
|
Administrative boundaries of Bulgaria from 1796-2024. | Available | View Map |
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Russia
|
Administrative boundaries of Russia from 1800-2024. | Available | View Map |
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Ireland
|
Administrative boundaries of Ireland from 1600-2024. | Available | View Map |
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United States
|
Administrative boundaries of the United States from 1783-2024. | Available | View Map |
Contact us to discuss licensing options for your research, educational, or commercial needs.
Request Data Access