Izunokuni City is home to many mountains, including Mt. Katsuragi and Mt. Hatsudanjo. Some of these mountains are suitable for light hiking and are popular with climbers. Izunokuni City borders five cities and towns in Shizuoka Prefecture, including Atami and Izu. The city's official tree is the Chinese nagi, and its official flowers are the violet and iris. Tourism is one of the city's industries, with hotels and inns providing a business. Agriculture is also thriving, producing strawberries and tomatoes. Historic sites in the city include Ganjojuin Temple and the well where Hojo Masako was born. The city is also known for its abundance of hot springs, with a total of four, including Izu Nagaoka Onsen and Ohito Onsen.