A _______________ region is defined by common human property, such as the presence of people who share a particular language, religion, nationality, political identity, or culture; or by a common physical property, such as the presence of a particular type of climate, landform, or vegetation.

A "party animal" region is defined by common human property, such as the presence of people who share a particular love for partying, dancing, and having a good time; or by a common physical property, such as the presence of vibrant nightlife, sunny beaches, and energetic music.

The blank space can be filled with the term "cultural" or "physical" in the given context. A cultural region is defined by common human properties, such as language, religion, nationality, political identity, or culture. On the other hand, a physical region is defined by common physical properties, such as climate, landform, or vegetation.

A cultural region is defined by common human property, such as the presence of people who share a particular language, religion, nationality, political identity, or culture; or by a common physical property, such as the presence of a particular type of climate, landform, or vegetation.