Istanbul-Bucharest train service, which has been run during summer time, will start next week.
Although sleeper trains become less and less popular as daily life speeds up with planes and high speed trains, they are still the first choice of travellers who are looking for comfort and adventure.
TCDD announced new international train connections to Bucharest and Belgrade in summer.
Bosphor Express, the overnight train between Istanbul and Sofia will start direct service tonight from Halkali.
For many years the only international services to / from Europe have been provided by the Bosphorus Express, which conveyed sleeping and couchette cars from Istanbul to Sofia and Bucharest each night.
There are train services from Romania, Bulgaria and Iran to Turkey..