The hospital of Konoha, this is the training place for medical ninjas and a recovery center for injury ninjas and citizens as well. On the darker side, it's also the place for "information extraction" (a.k.a. torture) as well as many genetic and surgical enhancements which raise some moral issues.
A street that leads directly through the heart of the village and ends at the village gates. This street is usually crowded with civilians since all the major shops are set up along this street.