Lot's of great car shows happen in Japan thru out the year. But one of the biggest and most popular , that is held annually is the Tokyo Auto Salon. The show has been held for the past 27 years and happens every January. It is held in Makuhari Messe, Chiba City, Japan. It started in 1983 as the "Tokyo Exciting Car Show". It was wanting to promote car custom culture. In 1987 it changed the name to the Tokyo Auto Salon.
The TAS( Tokyo Auto Salon) is one of the biggest shows globally for display of modified cars. But it also includes after-market parts manufacturers, custom tuning shops, car manufacturers, automotive businesses, and automotive vocational schools.
Also there is concerts, drift events and many ongoing performances or entertainment happening through out the show. The TAS, takes place 3 days, Friday, Saturday and Sunday this weekend January 11, 12,13. Friday is usually held for the business and press attendees, but 2pm-7pm will be open to the pubic for special preview, afterwards Saturday 9am-7pm and Sunday 9am-6pm is open to the public.
So check out there website and you can get an idea of what will be happening for the 3 days. Don't worry about it being in Japanese, they do have an English page!
So be there for the next Tokyo Auto Salon 2019
Official website for TAS