Free Wi-fi is availeble at Nagoya subway.
Japanese, English, Thai, Korean and Chinese.
Here is a list of the main free Wi-Fi locations in Nagoya.
The yen (¥) is the currency of Japan and banknotes and coins are identified easily.
There are ¥1,000, ¥2,000, ¥5,000 and ¥10,000 banknotes; and ¥1, ¥5, ¥10, ¥50, ¥100 and ¥500 coins.
Cash is the most widely used in Japan. However, major department stores and large hotels major accept credit cards.
You can buy yen at Authorized Foreign Exchange banks, major post offices, international airports and other authorized money exchanger hotels and department stores.
This Disaster Information site would be helpful for you when you need.
Most automated teller machines (ATMs) in Japan do not accept credit, debit or ATM cards issued outside of Japan.
The big exception are the ATMs found at the over 21,000 post offices and at 13,000 Seven Bank ATMs throughout the country.
ATMs at Post offices are available for this servi...