largest city: Sapporo / prefecture: Hokkaido
Spring in Hokkaido starts later than in Honshu. Therefore recommend to explore the city of Hakodate during spring. Hakodate has a plenty of tourist attractions and amazing foods to try. Then, you can enjoy one of the best night views in the world.
Summer is the high season in Hokkaido. Thousands of domestic tourists head to Hokkaido from other places in Japan to enjoy the nature of Hokkaido.
Sapporo is the most populous city in Hokkaido, nearly two million inhabitants. Her gateway, Shin-Chitose airport is connected by direct trains to Sapporo station and flights between Shin-Chitose and Tokyo Haneda is one of the busiest flight routes in the world.
You can ski in many places in Japan but definitely the best is in Hokkaido. Winter in Hokkaido is cold and snowy but best season to try skiing in Japan.