|Above, a koban (police station) in Asakusa. Photo by Armand Vaquer.|
Japan Info has an article which will be a big help should you lose something while in Japan.
It is on, "What Should You Do If You Lose Something In Japan?"
It begins with:
Even if we are very careful of our stuff, we are all human so losing something happens to all of us. I hope you won’t lose anything in Japan but if do, don’t feel hopeless!! Here are some tips that might help you find your item.
At first, go back to the place where you think you lost it. Then, if you couldn’t find it, you should go to the nearest police station (“koban”) in the area where you think you lost your things. Most of the police stations are located somewhere near the station.To read more, go here.