What do we write Wikivoyage articles about?

• The point of the hierarchy is not to nitpick about geographical niceties, but to organize our work. What do we write Wikivoyage articles about? What are the subjects of our discussions? What kind of article do I write about topic X? A hierarchy of geographical units allows us to use them to identify things we write about, and thus how we write about them.

• For example, consider Catalonia. By understanding the hierarchy, a contributor can know that Catalonia is a region. From there, they can figure out that the article about Catalonia should start with the region article template; that it should contain links to cities 

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• in Catalonia like Barcelona; and that there should be a link to the Catalonia article from its containing country, Spain. They also know what not to put in – that information about money should go up at the country level, and that listings for individual restaurants and hotels should go down at the city level.

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• By having a hierarchy, we don't have to figure out this stuff over and over again for every region in the world. Sure, there will be exceptions for every place, but by having rough guidelines, we can have a framework to make those exceptions against.

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• These levels of hierarchy aren't hard and fast, and they're open to revision. But it makes sense for articles at a given level of hierarchy to have links to the next level down in the hierarchy, and for articles at the same level of hierarchy to be about the same.

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• Given that changes to the regional hierarchy often have a wide-ranging impact, it can be helpful to mention and discuss the proposed changes on the discussion page of the appropriate region.