The Aztec civilization was once considered superior and thriving. Tattoo designs are some of the legacies they left behind. Aztec tattoo designs are intricate and striking and it's no wonder that a lot of tattoo enthusiasts are drawn to them. The attraction may stem from sheer appreciation of its visual beauty or from deep understanding of how the ancients have lived and flourished. The Aztecs placed great value to their art and to carry a symbol yourself you must understand that it is rooted from an ancient civilization that considered it sacred.
Aztecs tattoo designs were used by the people who created them originally as sacred symbols. They placed them on strategic spots in their body to represent something that was culturally ingrained. A person might want to get a tattoo to preserve his culture or just to show an interest in it. The sun is the focal symbol of Aztec tattoo so a person might want to characterize the strength that the sun represents by getting an Aztec designed tattoo.
In the ancient times, even children have tattoos. This is to identify them with the God they were worshipping. It is perhaps an advantage to you if you would inquire more about Aztec culture so you can identify with it more and you might wish to place your tattoo where the Aztecs might place it too. That way it will not look like a mere imitation of the art but one that indicates perception of the culture.
There is a bunch of information you can dig up on the Internet. You can browse some pictures to give you an idea of what you might want your tattoo to look like. To portray authenticity glean your sources well. If you rely on shops for Aztec tattoo designs you have to remember that these are artists who might get a little too enthusiastic about their designs and they might have added something that is not entirely related to the Aztec culture. Look for shops that are reputable and artists that are experienced and knowledgeable about symbolic figures. Only then will you be able to derive joy and pride from the art work.