Osaka is a large port city and commercial center on the Japanese island of Honshu. It's known for its modern architecture, nightlife, and hearty street food. Osaka is known as the “Nation's Kitchen,” and is well known for delicious foods such as takoyaki and okonomiyaki. Osaka offers a great number of tourist attractions
Average Weather in Osaka, Japan. Winter (January/February) in Osaka is cold but not too cold for traveling. Like January, February is a good time for visiting Japan as the weather is usually sunny and dry and sightseeing spots are not very crowded.
The national currency in Japan is the Japanese Yen (¥), It's best to get some cash converted before you leave home so you have change to catch the train to your destination, otherwise, you can access cash exchange places at the airport.
Japan is pretty English friendly. Trains-Excellent English signage, stations, on-board trains, everywhere. Every Shinkansen ticket office had someone who spoke English. At JR stations, they generally spoke some English. When you speak English, keep it simple and correct.
Generally, visitors to Japan do not require any special vaccinations. However, to be on the safe side, any routine immunizations should be kept up-to-date.