We can divide Hokkaido into 4 large sections.
The followings are the branch government offices for those 4 areas.
We basically do not use "West".
The Northern tip of Hokkaido is sandwiched between the Japan sea and the Sea of Okhotsk. You can enjoy Hokkaido's unlimited beautiful nature in Furano, Biei, Asahikawa and other cities.
Consists of 30% of Hokkaido including the cities of Sapporo, Otaru and Hidaka.
The East side of Hokkaido is a large area containing many major cities such as Kushiro, Obihiro, Kitami and Nemuro. The city of Shiretoko is a registered world natural heritage site, and has many wild animals.
The Do-nan area was developed as the gateway to Hokkaido from the sea. The Hokkaido Shinkansen line starts from here. It has many historical buildings with Japanese convined with foreign style architecture that will welcome you. Very popular sites including city of Hakodate.
Hokkaido has approximately 135 winter days where the daily low temperature is less than 0C (32F), and 50 days with a daily high temperature of 0C(32F). The year round average daily temperature is 10C (50F). The Japan sea side has more snowfall, and the Sea of Okhotsk side has longer hours of daylight with less rain. The Pacific Ocean side east has a sea fog in the summer and lower temperatures, and the Pacific ocean side west is warmer and has less snowfall.
Hokkaido is 83456 square kilometers and it is 22.1% of Japan.
Thailand is 513,100 square kilometers. (Hokkaido x6)
(From April 1st of 2017 to March 31st of 2018)