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How the crazy Japanese addressing system works, explained

Japan is a heady mix of the past, the present, and the future. And experiencing it for the first time can be pretty bewildering for a foreigner. Unlike the addressing system followed by most Western countries, street names are not a part of official Japanese addresses. And their conspicuous absence is only heightened by the fact that even the building numbers do not provide any semblance of order.

This is because the buildings are numbered in the order they were constructed – not sequentially. And given the amount of destruction and rebuilding the country has witnessed over the years, it would be pretty rare to find adjoining buildings that were built consecutively.

Therefore, it’s not really surprising that even locals rely on maps to find their way around. Most establishments, in fact, publish detailed maps not only on websites but also on the back of business cards to make sure locating their address doesn’t pose a challenge to visitors.

But, how does the Japanese addressing system actually work?

The Japanese indicate addresses following a system of numbered geographic entities, or blocks. Often, one address is home to multiple buildings. And you can never be quite sure whether the address you have been given uses the official name or the local name. Moreover, the addressing systems used in Kyoto and Sapporo are totally different from the rest of Japan.

Breaking down a Japanese address

Japanese addresses begin with a large area and gradually narrow down to a small geographic section – think of it as zooming into a map.

Broadly, you can divide a Japanese address into eight parts. First comes the postal code – which is fairly simple to recognize, except that while western countries usually put the ZIP code at the end of the address, the Japanese begin their addresses with it. The postal code is prefixed by the symbol (〒) to indicate postage.

The biggest geographic entity in a Japanese address is the prefecture, and the country has 47 of them. The next part of the address is the municipality. And these municipalities also have different names based on the status bestowed on them by their prefectural governments – cities, towns, villages, and special wards. Tokyo has its own system of wards called ku.

After this comes the subdivision. A municipality can be broken down into subdivisions known as cho, oaza, or aza. Each of the subdivisions has numbered districts called chome (pronounced as cho-may). And each chome contains numbered blocks known as ban.

Within these bans are found the actual building numbers. They are called go. And finally comes the building name. Phew! Given the confounding nature of the Japanese addressing system, every building – large or small – has a name.

Consider the following address, for example:

東京都文京区本駒込2丁目28番8号

In English, it would get translated to:

Tokyo Prefecture/Bunkyo-ku/Honkomagome (town name)/District 2/Block 28/House number 8

Navigating your way in Japan

While most lamp posts in Japan feature the subdivision name, chome, and ban, you can save yourself a great deal of hassle by using navigation apps. Honestly, we don’t know how people used to manage before mapping apps became commonplace!

Our recommended go-to tool for finding your way in Japan is MapFan, an app developed by a local mapping company INCREMENT P that has a fleet of mapping vehicles and a few hundred people working on keeping the map database up-to-date. It may seem surprising, but given the fast-paced Japanese economy and many local nuances to the addresses across the country, a small army is needed to incorporate all the changes in addresses, POIs and other map features as soon as they take place.

INCREMENT P also provides a variety of address products for map developers. For example, not only is their Address Polygon data most fresh, it also corresponds to Reverse Geocoding. This means developers can easily link the data with the sales list and make it useful for initiatives like marketing.

Further, the Building Address Point data is updated monthly with latitude and longitude, and nationwide address data is stored into five easily identifiable layers: Prefecture, Municipality, District, Block, and House number. Addresses can also be searched using a 7-digit postal code. For more information about the complete lineup of their products, you can visit their website.

To sum up, navigating in Japan doesn’t really need to be as complex as their addressing system. If you are armed with some smarts and a locally made mapping app, it should be pretty simple to get to your destination!

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Jobs in Geo – Week 13

At Geoawesomeness, we’re working on creating an interactive job portal for companies to submit jobs and for job-seekers to look for jobs in the geospatial industry.

For the past two months so, we’ve been sharing jobs on our LinkedIn and in weekly blog posts. While it certainly is not our final product, it allowed us to get some quick feedback and share some awesome jobs submitted by companies while we develop and test the job portal. We hope that you enjoy this selection of Geoawesome jobs!

16 PhD Positions in Data Analytics & Society

📍Various, UK
https://datacdt.org/projects/


Software Engineer – Mapping Infrastructure at Nuro
📍Mountain View, USA
https://nuro.ai/careersitem?gh_jid=1546080


Lead — Design and Marketing at MyHEAT
📍Calgary, AB
https://myheat.ca/careers


Backend Developer at MapsPeople
📍Aalborg, Denmark
https://tinyurl.com/y5tuu3yf


Application Developer at Blue Raster
📍Arlington, USA
https://blue-raster.workable.com/j/0F04627281


Business Intelligence Analyst Intern at NavVis
📍Munich, Germany
https://navvis-jobs.personio.de/job/82055


Software Developer – Cartography at ESRI

📍Redlands, USA
https://tinyurl.com/yxl42lyx


Marketing Manager at DeepMap

📍Beijing, China
https://hire.withgoogle.com/public/jobs/deepmapai/view/P_AAAAAADAAGEMxrSV6bJT_C


Sales Strategy Lead at Development Seed

📍Washington DC, USA
https://developmentseed.org/careers/sales-strategy-lead/

Geospatial Technician at Newcastle University
📍Newcastle, UK
https://tinyurl.com/y3zzpadq

Here are the positions that we have previously posted, some on our LinkedIn:

If you see any positions that would be interesting for our community, you can also submit a job using the online form for us to review and include in our list!

Are there any specific things you’d like to see in our job portal? Feel free to get in touch.

Want to get your dose of Jobs in Geo directly to your inbox? Subscribe to our jobs newsletter here.

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