Ngawi is also the main gate to enter East Java province since there are intersections that connect Surabaya–Bojonegoro–Ngawi–Solo–Jogja–Bandung–Jakarta.

The municipal hall (called Alun-Alun Merdeka) is located in the central part of Ngawi town.

Van Den Bosch Fortress is a central historic site of the Ngawi Regency.

In the late 19th century Eugene Dubois found Pithecantropus eretus in the Trinil area.

Researchers found in the Trinil site that the scratch at Pseudodon vondembuschianus trinilensis plain water clam shell aged 500,000 years is the oldest in the world.