What the regional branch covers
The Regional section gathers listings by place rather than by subject. Where most of a directory sorts companies and resources under topics such as Health, Shopping or Computers, this branch arranges the same kinds of organisations according to where they operate: a continent, a country, a state or province, a county, a city, or a single neighbourhood. Splitting a topical tree from a geographic one is one of the older conventions in the cataloguing of websites, and the Open Directory Project treated the two as parallel structures for almost twenty years (DMOZ, 2017). That project launched in 1998, passed through Netscape and AOL, and by the time it closed in 2017 it listed close to four million sites across more than a million categories, maintained by tens of thousands of volunteer editors. A regional business directory answers a different question from a topical one. Instead of "who sells this", it asks "who does this near me". The distinction sounds small, but it changes how the whole index is built and how a visitor moves through it.
Visitors usually arrive here with a location already in mind. Someone planning a move, comparing local suppliers, or researching the businesses active in a particular town wants results filtered by geography first and refined by trade second. For that reason a regional web directory tends to nest a small topical tree inside each place: once you have reached a city, you can still narrow down to its restaurants, its estate agents or its schools. The geography sits on the outside and the subject sits on the inside, which reverses how the rest of the catalogue reads.
The entries collected under this heading are deliberately broad. They include local government pages, chambers of commerce, tourist boards, regional news outlets, transport authorities, community groups and the ordinary trading businesses that serve a defined area. Because the organising principle is location, two firms in unrelated industries can sit side by side here because they share a postcode. That breadth is intentional. A place-based listing is most useful when it covers the full economic life of an area rather than a single slice of it, so this branch has room for public, civic and commercial sites together. Region-based business directories work best when they treat an area as a whole, which is why the net is cast this wide.
This page is the gateway to that geographic tree. From here a reader can descend continent by continent and country by country until the listings become genuinely local. The deeper you go, the more specific the resources are, moving from national institutions at the top to street-level businesses at the bottom. Treating the catalogue as a set of regional directories, each scoped to its own territory, keeps the structure navigable even when the number of listed sites runs into the millions. The same approach kept the Open Directory usable at the scale it reached: no single editor could hold the whole of it, but anyone could read the slice covering their own town.
The geographic branch works like a map written as an outline. Each level of the outline corresponds to a level of place, and each indent takes you closer to the ground. A national listing might point to a country's government portal or its main statistical office; a regional listing narrows to a state agency or a provincial tourist board; a city listing reaches the council, the local press and the businesses trading on its streets. Because the structure follows real administrative geography, a reader who knows where a place sits in the world already knows roughly where to find it in the catalogue.
How places are arranged into a hierarchy
The backbone of any geographic directory is a chain of nested administrative units. At the broadest level sit continents and groups of countries; below them are individual nations; below those are the principal subdivisions of each country, and below those again are localities and neighbourhoods. The Open Directory Project formalised this for its Regional branch, describing first-level administrative areas as the primary subdivisions of a country, which in practice meant United States and Australian states, Canadian provinces, Irish counties and Spanish autonomous communities (DMOZ, 2017). For the United States and Canada the county was the second-level administrative area, the next subdivision beneath the state or province.
Below the county or its equivalent come localities, the cities and towns themselves, and below those sit neighbourhood categories for the largest urban areas. Two complications recur often enough to have their own rules. Islands are handled as regions in their own right, which matters for archipelago nations where many small places never grow large enough to need a separate locality entry. Metro areas are also treated as distinct regional units, because a functional city often spreads across several formal boundaries and needs a single home that ignores the lines on the map. A curated regional directory has to decide, for each business, whether it belongs to the wider metro entry or to the narrower city, county or neighbourhood beneath it.
Sorting is as important as nesting. In the Open Directory model the geographic subcategories were placed above the line, set apart from the topical subcategories that appeared lower in the same category, so a reader scanning a country page could tell at a glance which links led deeper into geography and which led into subjects (DMOZ, 2017). The same convention governed cross-links: an at-link pointing to a locality could be listed directly under its county, again above the line, so the place hierarchy stayed legible even where shortcuts cut across it. These conventions keep regional web directories orderly, and they let business directories built on a geographic spine stay easy to walk through.
Curation is the point where these rules meet editorial judgement. Editors of a place-based catalogue repeatedly face questions the schema alone cannot settle: does a removals firm that works across three counties belong to all of them or to the one holding its office, and should a regional charity sit under its headquarters or under the area it serves. The Open Directory answered many such cases with a depth rule, listing a site at the most specific level that still describes its true reach, and using cross-links to surface it elsewhere without duplicating the entry. The aim throughout is to file each organisation where a reader would most naturally look for it, which is not always where its registered address falls. Business directories organised by region depend on that judgement, since a clean schema alone never settles where a borderline entry truly belongs.
The standards that define a region
Deciding where one region ends and another begins follows published rules rather than instinct. Several international standards fix the names, codes and boundaries that any place-based catalogue relies on. The most widely used is ISO 3166, maintained by the International Organization for Standardization, which assigns codes to countries and their subdivisions. ISO 3166-1 covers nations through two-letter, three-letter and three-digit codes, while ISO 3166-2 extends the scheme down to principal subdivisions such as states and provinces; by late 2023 that subdivision list held more than five thousand codes (ISO, 2023). When a directory needs an unambiguous label for a place, these codes provide it.
For grouping countries into larger regions, the United Nations maintains the M49 standard through its Statistics Division. M49 assigns a three-digit numeric code to every country and area and then nests those codes inside a five-level structure: the world as a whole, continental regions such as Africa, the Americas, Asia, Europe and Oceania, then sub-regions, then intermediary regions, and finally individual countries (United Nations, 2024). It also flags cross-cutting groups such as Least Developed Countries, Landlocked Developing Countries and Small Island Developing States. A directory that wants to offer a "browse by continent" view, or to group neighbouring nations sensibly, is reproducing the logic that M49 already encodes.
Inside Europe a further layer applies. The Nomenclature of Territorial Units for Statistics, known as NUTS and maintained by Eurostat, divides member states into three nested levels, with roughly ninety-two regions at NUTS 1, two hundred and forty-four at NUTS 2 and over twelve hundred at NUTS 3, with local administrative units beneath them (Eurostat, 2003). NUTS was adopted as Regulation EC No 1059/2003 and governs how European statistics and regional funding are allocated. A reader rarely sees these codes directly, but they explain why the regional listings in this directory line up with recognised territorial boundaries instead of inventing their own. A web directory that borrows these established frameworks reuses decades of careful boundary-drawing, and it gains interoperability: a place identified by its ISO or M49 code can be matched against census data, postal systems and mapping services without guesswork. The benefit of building on standards rather than improvising is that the listings stay consistent with the rest of the data world. A regional business directory that adopts these codes can therefore line up its places with external records without manual fixing.
Why geography still matters online
A global network might be expected to erase the importance of place, but the opposite has happened. A large share of everyday searching is local: people look for a plumber, a clinic, a school or a shop that they can actually reach. The economic activity behind those searches is concentrated too, since cities and their surrounding regions account for the bulk of output and employment in most countries (OECD, 2020). Organising listings by region maps the catalogue onto the way people live and trade, which is why a regional directory keeps its value even as general search engines grow more capable.
Place also carries information that a topic label cannot. Jurisdiction, language, currency, regulation and culture all change at a border, and a business that is relevant on one side of a line may be useless on the other. A locally scoped entry carries that context with it. When a reader reaches a country page and then a city within it, the surrounding listings show which institutions hold authority there, which services are available, and which organisations belong to that community. Business directories that list companies region by region keep this context in a way that a flat alphabetical index cannot.
There is a discovery benefit as well. Browsing a place reveals neighbours a searcher would never have thought to query by name: the local historical society listed beside the local newspaper and the regional transport authority. This kind of lateral discovery is a long-standing strength of a curated web directory over a plain keyword search, which only returns what was asked for. The resources gathered on these pages are chosen for their relevance to a particular territory, so browsing one place teaches a reader how that place works.
Geographic organisation also lasts. Topics drift in and out of fashion and the vocabulary used to describe them shifts, but places change far more slowly. A city listed today will almost certainly still be a meaningful unit in a decade, which gives a geographic directory a stability that topical trees struggle to match. That durability is part of why so many catalogues keep a regional spine alongside their subject categories. The listings in this web directory inherit the same staying power, because the places they describe outlast the trends that reshape topical trees.
There is a practical side for the businesses listed here as well. A trader whose market is local gains little from appearing in a global subject category where it competes with firms on the other side of the planet, but a great deal from appearing under its own town, where the audience is the people most likely to become customers. Placing a company in its correct region is not just tidy bookkeeping; it puts the listing in front of the readers it can serve. A geographic web directory tends to produce more useful matches for this reason, because relevance and proximity do the filtering before any keyword is typed. The closer a listing sits to the searcher, the more likely the introduction is to turn into a visit or a sale.
Sources and further reading
The account above draws on the published editorial guidelines of one of the largest human-curated directories built, together with the international standards bodies that define geographic names and boundaries. The Open Directory Project material describes the conventions for arranging places into a hierarchy and sorting geographic subcategories. The standards from the International Organization for Standardization, the United Nations Statistics Division and Eurostat supply the codes and territorial units that a geographic directory depends on. Readers who want to check the structural claims, the administrative-area rules or the regional codings can consult the works listed below directly.
Together these references show that organising business and web directories by region rests on documented rules and recognised standards. The regional listings in this directory follow the same logic, which keeps them coherent at scale.
- Open Directory Project. (2017). DMOZ Editorial Guidelines: Regional Taxonomy and Subcategories. DMOZ / Open Directory Project
- International Organization for Standardization. (2023). ISO 3166: Codes for the representation of names of countries and their subdivisions. ISO
- United Nations Statistics Division. (2024). Standard Country or Area Codes for Statistical Use (M49). United Nations
- Eurostat. (2003). Regulation (EC) No 1059/2003: Nomenclature of Territorial Units for Statistics (NUTS). European Commission, Eurostat
- Organisation for Economic Co-operation and Development. (2020). Delineating Functional Areas in All Territories. OECD Publishing