Geographically, it is in North America (or America, the continent). Culturally, it is part of Latin America.
It is a region in Mexico, that has steep rivers and steep slopes, but mostly it is a region. I thought you would know it was a region.
It wildly varies from city to city and region to region; a good indication of the temp in Mexico would be that of Ciudad Juarez (northern Mexico), Mexico City (central Mexico) and Cancun (southern Mexico): Ciudad Juarez: 32ºF (0ºC) Mexico City: 45ºF (7ºC) Cancun: 70ºF (21ºC)
Southeastern Mexico is.
Central Mexico.
The "Mexican Border Region" would typically include the U.S. states that share a border with Mexico: California, Arizona, New Mexico, and Texas. This area is characterized by a diverse cultural and economic exchange between the two countries. Additionally, it may also encompass parts of northern Mexico adjacent to these states.
Northern Mexico is.
Mexico is mostly in Central America.
El Paso would qualify, as it is exactly at the US-Mexico border.
There are many cities along the US-Mexico border that would qualify as "closest to Mexico". Those would be Brownsville, Laredo o El Paso in Texas or San Ysidro in California.
the answer is Mexico
No. It is on the southern region.
Latin America is the cultural region which includes Mexico, Central America, the Caribbean and South America. Ancient Aztecs inhabited present-day Mexico, which in turn would belong to this cultural region.