Motegi Town is around 2.5-3 hours from Tokyo. It's famous for the international racing circuit (formerly Twin Ring Motegi) and the Mitsumata Flowers, but Motegi also has so much more!
Maebashi City is 70 min from Tokyo. It's an exciting art and nature city, including nearby Mt. Akagi, Lake Onuma, and more. It's also a good base to use to travel around the region.
Nakagawa Town is a cozy riverside town 2.5hours north of Tokyo with a ukiyo-e museum, pottery culture (Koisago-yaki), an onsen, and Iizuka-tei hotel. It's a great place to experience the Japanese countryside.
Hitachinaka City is a seaside city in Ibaraki prefecture famous for Nemophila flowers and Kochia at the Hitachi Seaside Park as well as their fish market and delicious seafood.
Visit Motegi this spring to view the magical-mystical Mitsumata Forest (Forest with Paper Bush flowers) like stepping into a fairy tale.(Motegi Town / 茂木町)