You might be interested in a previous thread on Roman street directions:

Rome

• Did streets in Rome use street numbers during the Republic and/or Empire period? - 93 comments, over 2 years old.
• The topmost comment in the thread specifically addresses Roman navigation and commenters below it talk about street names (and lack thereof) amongst various other pre-modern powers and modern developing countries.

Tokyo, Japan

• Why does Tokyo have such unusual street address designations? - 6 comments, over 9 months old.
• There is a long comment in this thread talking about urban planning and development in Tokyo (back when it was still named Edo) and how this universalized organization in Japan to not include street names.