31 degrees North latitude and 123 degrees East longitude is a location somewhere in Eastern China, close to the Yellow Sea.

Here's why:

* Latitude: 31 degrees North is located within the mid-latitudes of the Northern Hemisphere. It's roughly in line with the southern United States and northern parts of Africa.

* Longitude: 123 degrees East puts the location in the Eastern Hemisphere, specifically in East Asia.

To be more precise, this specific coordinate falls on the eastern edge of Shandong province, China, near the city of Yantai.

Let me know if you'd like to know more about this specific location!