For an overview, go to this website and click on "courtyard villa maintenance":
Forms and Publications
You really need a copy of the official recorded plat for your house. You can get one by calling your county records office. You can also call The Villages administration office and they may help you. Your warranty deed will tell you the official plat page where your plat is recorded. But, basically, the property lines for courtyard villas are usually located midway between the houses. Courtyard villas are about 10 feet apart and the property line is about 5 feet from the exterior wall of your house.