OSAKA is the second greatest city in Japan and the thirteenth greatest city on the planet, with a masses of around 10.5 million people Osaka is an expansive port city and business fixate on the Japanese island of Honshu. It is known for its advanced engineering, nightlife and generous road nourishment and it's best attractions incorporate the Osaka Aquarium Kaiyukan, Osaka Castle, Universal Studios Japan, Dotonbori, Tennoji Zoo, Osaka Science Museum, Tempozan Ferris Wheel, Nakanoshima Park, Tsutenkaku, Kuromon Ichiba Market and the cutting edge Floating Garden Observatory.The sixteenth century shogunate Osaka Castle, which has experienced a few rebuilding efforts, is its primary verifiable historic point. It's encompassed by a canal and stop with plum, peach and cherry-bloom trees. Sumiyoshi-taisha is among Japan's most established Shinto holy places. December is the best time to visit Osaka, Japan which brings for the most part cool, dry, late harvest time days. While it will feel discernibly cooler, with high temperatures averaging 12°C and medium-term lows of 4°C, a warm coat is generally bounty to keep you agreeable outside.