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Layer 1: Context

1.1. Administrative boundaries

You should have a good understanding of how administrative boundaries are defined within your city. That generally means that you should find out how your country is subdivided. Countries are often subdivided into provinces, states, or departments, which can then be broken down even further. Cities are often a specific administrative entities that form part of a bigger set. We encourage you to locate the national subdivisions first, and to try and locate the shapefiles of each of the administrative levels within the country. Loading the boundaries for all subdivisions within your country will make it much easier to aggregate up or scale down national data in the system. If you are unsure what the official subdivision in your country is and which entity manages these boundaries, we suggest you look at Wikipedia, where "Administrative divisions in COUNTRYNAME" often yields good results. See an example here.

Before you start looking for this, check to make sure we don't already have data for your country. See the existing subdivisions here. NOTE: you do not need to look for shapefiles of the country itself as all national boundaries have already been loaded into our system.

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Discussion and questions


There is more than one file for each submission. I wasn't sure which to include as they were obtained at the municipality GIS platform.


Yah, that is often the case. Is it different types of files or are there different boundaries, either because there are different admin. areas or for different years? If you provide a link to the platform, it might be easier to help and others could see if they come across similar issues. Thanks.

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