Look at the game cartridge itself.
At the bottom of the sticker is a region code.
You can also tell by the ratings system displayed in the lower-left corner of the game box cover art insert.
USA = E for Everyone, T for Teen, M for Mature, etc.
How do I know my switch region?
How to Change the System Region
- From the HOME Menu, select System Settings.
- Scroll down and select System, and then from the options on the right-hand side, select Region.
- Select Next to continue.
- To view the EULA, select View End-User License Agreement.
- Once you are finished viewing the EULA, select the Accept if you agree.
How do I change the region on my Nintendo switch?
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How To Change Region On Eshop For Nintendo Switch – Fliptroniks
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Is the Nintendo switch region locked?
Unlike every other Nintendo console shipped since the company started designing actual operating systems, the Switch is completely region-free — you can play games from any country without issue, often in any language. No Japanese Nintendo console since the DSi has even let you change the system language.
What happens if I change the region on my switch?
With the Switch, Nintendo has left behind a long legacy of region-locking its consoles. If you buy cartridges from another region, you’ll need to change your console’s region to play them, too. To change the region on your console, select Settings from the main menu. Scroll down to the bottom and select System.
Can I buy a Japanese Nintendo switch?
If you’re really looking to save money, you could also buy a second hand Nintendo Switch in Traders (Akihabara.) I checked last 20 September and you could get one for 25,600 Yen (Brand new at MSRP with 13% off is at 28,168 Yen.) So that was my experience buying a Nintendo Switch in Japan!