The Osu Kannon is one of the most popular temples in Nagoya. It is located in the center of the city. In order to get here you can take the subway (Osu Kannon Station).
The city of Nagoya can be accessed via its international airport, the Chubu Centrair International Airport, built on an artificial island.
Nagoya is well-connencted by train to Japan's main tourist destinations. The Japanese Bullet Train (Shinkansen) will take you to Osaka, Kyoto, Hiroshima, Fukuoka and Tokyo.