Sierra Leone boundaries data

geoBoundaries ADM1 boundaries for Sierra Leone: 4 units, representing 2014. Source: Government of Sierra Leone, OCHA ROWCA.

geoBoundaries ADM3 boundaries for Sierra Leone: 165 units, representing 2016. Source: openAfrica, geoBoundaries. Open Data

geoBoundaries ADM2 boundaries for Sierra Leone: 14 units, representing 2017. Source: Government of Sierra Leone, OCHA ROWCA.

geoBoundaries ADM0 boundaries for Sierra Leone: 1 units, representing 2016. Source: openAfrica, geoBoundaries. Open Data

This dataset contains the following administrative boundaries: ADM0, ADM1, ADM2, ADM3, ADM4. Produced and maintained since 2017, the geoBoundaries Global Database of Political Administrative Boundaries Database www.geoboundaries.org is an open license, standardized resource of boundaries (i.e., state, county) for every country in the world.

Sierra Leone administrative level 0-4 boundaries (COD-AB) dataset version 02. This dataset is structured into 4 levels: - Admin 1: 5 - Admin 2: 16 - Admin 3: 167 - Admin 4: 1316 Dates associated with this dataset: - 30 October 2025: dataset reviewed for accuracy and completeness - 15 December 2023: valid for use by the humanitarian community - 16 August 2017: last edit to the dataset before publishing - 16 August 2017: boundaries created by the source Contributed by OCHA West and Central Africa (ROWCA). Quality assured, configured, and published by OCHA Field Information Services (FIS) and HDX. Part of the dataset: Global Subnational Administrative Boundaries

Sierra Leone administrative level 0-4 boundaries (COD-AB) dataset version 02. This dataset is structured into 4 levels: - Admin 1: 5 nan - Admin 2: 16 nan - Admin 3: 167 nan - Admin 4: 1316 nan Dates associated with this dataset: - 30 October 2025: dataset reviewed for accuracy and completeness - 15 December 2023: valid for use by the humanitarian community - 16 August 2017: last edit to the dataset before publishing - 16 August 2017: boundaries created by the source Contributed by [OCHA West and Central Africa (ROWCA)](https://data.humdata.org/organization/ocha-rowca). Quality assured, configured, and published by [OCHA Field Information Services (FIS)](https://data.humdata.org/organization/ocha-fiss) and [HDX](https://data.humdata.org/organization/hdx). Part of the dataset: [Global Subnational Administrative Boundaries](https://data.humdata.org/dataset/cod-ab-global)

Retirement Notice: This item is in mature support as of October 2025 and will retire in December 2027.  A new version of this item is available for your use. Esri recommends updating your maps and apps to use the new version. Sierra Leone Province Boundaries provides a 2023 boundary with a total population count. The layer is designed to be used for mapping and analysis. It can be enriched with additional attributes using data enrichment tools in ArcGIS Online. The 2023 boundaries are provided by Michael Bauer Research GmbH. These were published in October 2023. Other administrative boundaries for this country are also available: Country District Chiefdom

The national boundary of Sierra Leone, defining the outermost extent of the country's territory. Use this layer as a base for national-scale maps, spatial analysis, and geographic context in any GIS project covering Sierra Leone.

Fourth-level administrative divisions of Sierra Leone, the most granular administrative units available. Use this layer for village-level analysis and last-mile service delivery planning.

Retirement Notice: This item is in mature support as of October 2025 and will retire in December 2027.  A new version of this item is available for your use. Esri recommends updating your maps and apps to use the new version. Sierra Leone Country Boundaries provides a 2023 boundary with a total population count. The layer is designed to be used for mapping and analysis. It can be enriched with additional attributes using data enrichment tools in ArcGIS Online. The 2023 boundaries are provided by Michael Bauer Research GmbH. These were published in October 2023. Other administrative boundaries for this country are also available: Province District Chiefdom

Administrative boundary lines of Sierra Leone as linear features. Use this layer for cartographic production and boundary demarcation visualization.

Third-level administrative divisions of Sierra Leone such as sub-districts or wards. Use this layer for fine-grained spatial analysis, community health planning, and detailed humanitarian response.

Second-level administrative divisions of Sierra Leone such as districts or departments. Use this layer for local government analysis, service delivery planning, and community-level spatial work.

Retirement Notice: This item is in mature support as of October 2025 and will retire in December 2027.  A new version of this item is available for your use. Esri recommends updating your maps and apps to use the new version. Sierra Leone District Boundaries provides a 2023 boundary with a total population count. The layer is designed to be used for mapping and analysis. It can be enriched with additional attributes using data enrichment tools in ArcGIS Online. The 2023 boundaries are provided by Michael Bauer Research GmbH. These were published in October 2023. Other administrative boundaries for this country are also available: Country Province Chiefdom

Retirement Notice: This item is in mature support as of October 2025 and will retire in December 2027.  A new version of this item is available for your use. Esri recommends updating your maps and apps to use the new version. Sierra Leone Chiefdom Boundaries provides a 2023 boundary with a total population count. The layer is designed to be used for mapping and analysis. It can be enriched with additional attributes using data enrichment tools in ArcGIS Online. The 2023 boundaries are provided by Michael Bauer Research GmbH. These were published in October 2023. Other administrative boundaries for this country are also available: Country Province District

geoBoundaries ADM4 boundaries for Sierra Leone: 1322 units, representing 2016. Source: openAfrica. Open Data

First-level administrative divisions of Sierra Leone such as regions, provinces or states. Use this layer for regional analysis, planning, resource allocation, and thematic mapping at the provincial scale.

Sierra Leone administrative level 0-4 edge-matched gazetteer, shapefiles, geodatabase, and geoservice. This dataset was updated in January 2024 to correspond to the COD-AB with the newer five-regions administrative structure. COD-EM datasets do not replace the authoritative COD-AB available here; however COD-EM datasets may be preferred for cartographic purposes. See caveats. These layers are suitable for database or GIS linkage to the Sierra Leone - Subnational Population Statistics tables. Vetting by Information Technology Outreach Services (ITOS) with funding from USAID.