"Getting there & Around" Koshigaya, Kasukabe, Kazo, Hanyu, Gyoda

Gyoda is accessible by JR, but venues such as the Green Arena are accessible by the Chichibu Line from Kumagaya, and Hanyu is also on the Chichibu Line. Hanyu is also on the Chichibu line, but be aware that the Chichibu line is a local train line and there are not many of them.
Koshigaya and Kasukabe are strongly served by the Tobu Line, so you can access them from the city center using the Tobu Line.

Basically, this area is an area where locals live by car.
Therefore, it is better to take the train to a large station and rent a car to get around the area.

Kumagaya is a station where the Shinkansen stops, and there is also a connection to the JR conventional line, but be aware that Honjo-Waseda station is about 2 km away from Honjo station, and there are no other options other than the Shinkansen.

Basically, in the northern part of the prefecture, you need a car.
Therefore, it is better to take the train to Kumagaya and rent a car to get around the area.