Tokyo-based online tours and activities site Veltra.com has named Mount Fuji as its most popular product line for international visitors.
Veltra.com has more than 1,700 Japanese tours and activities on its books. Tokyo, as the main point of arrival for most international visitors, dominated in the first six months of the year, accounting for three in five of Veltra.com's bookings.
Tours of Mount Fuji, which became a UNESCO World Heritage Site in 2013, accounted for 23% of the Tokyo-based bookings.
American visitors to Tokyo are interested more than others in "Robot Restaurant" - an £83 million venue described, politely, by Veltra as "an elaborate, wacky show filled with robots, dancers and lasers."
Europeans prefer "the historical streets and elegant culture" of Kyoto, where the most popular attraction is visiting a trainee geisha and getting a geisha-themed makeover.
Japan's other tourist hotspot, Okinawa, is popular with visitors from Hong Kong and Korea.
Back in Tokyo, Veltra.com notes that one in seven visitors hires a wireless router for personal use, shunning the widely available free public wifi in the city.